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AIRWORTHINESS AND ENVIRONMENTAL CERTIFICATION

Consolidated version of

Part-21 Implementing Rules and related Acceptable Means of Compliance and Guidance

Material

Issued November 2015

Part-21

Certification of aircraft and related products, parts and appliances, and of design andproduction organisation

Annex I of the Commission Regulation (EU) 748/2012*,

as amended by

Regulation (EU) 7/2013



+ AMC and GM to Part-21

ED Decision 2012/020/R (Issue 2 of AMG and GM to Part-21)

as amended by

ED Decision 2013/001/R




* Commission Regulation (EU) No 748/2012 of 03/08/2012 laying down implementing rules for the a irworthiness and

environmental certification of aircraft and related products, parts and appliances, as well as for the certification of design

and production organisations.

Initially published on 21/8/2012, Official Journal L 224, p. 1-85

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PART-21 rules, AMC and GM Table of Contents

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NOTE FROM THE EDITOR.................................................................................................................................. 12 DISCLAIMER ..................................................................................................................................................... 13

COVER REGULATION ...................................................................................................................................... 14 Article 1 Scope and definitions ............................................................ ...................................................... 14

Article 2 Products, parts and appliances certification ............................................................................... 15 Article 3 Continued validity of type-certificates and related certificates of airworthiness ........................ 16 Article 4 Continued validity of supplemental type-certificates ..................................................... ............. 17 Article 5 ................................................................................................. ...................................................... 18 Article 6 Continued validity of parts and appliances certificates ............................................................ .. 18 Article 7 Permit to fly ................................................................ ............................................................... .. 18 Article 7a Operational suitability data ................................................ ...................................................... 19 Article 8 Design organisations ............................................................. ...................................................... 19 Article 9 Production organisations ............................................................................ ................................ 20 Article 10 Agency measures ........................................... .............................................................. ............. 20 Article 11 Repeal....................................... ................................................................. ................................ 20 Article 12 Entry into force .......................................................... .............................................................. .. 20

Article 2 of EU 2015/1039 on Flight Testing – Transitional Provisions ...................................................... .. 21 Article 3 of EU 2015/1039 on Flight Testing – Entry into Force and Application ...................................... .. 21

ANNEX I ......................................................................................................................................................... 23 21.1 General ........................................................ ................................................................. ..................... 23

SECTION A TECHNICAL REQUIREMENTS ................................................................ ........................................... 24 SUBPART A — GENERAL PROVISIONS .............................................................................................................. 24

21.A.1 Scope ........................................................ ................................................................. ..................... 24 21.A.2 Undertaking by another person than the applicant for, or holder of, a certificate ........................ 24 21.A.3A Failures, malfunctions and defects .............................................................. ................................ 24 AMC No 1 to 21.A.3A(a) Collection, investigation and analysis of data related to Flammability Reduction

Means (FRM) reliability ............................................................................................... ................................ 25 AMC No 2 to 21.A.3A(a) Collection, investigation and analysis of data related to ETOPS significant

occurrences ................................................................................................................................................. 25 GM 21.A.3A(a) The system for collection, investigation and analysis of data .......................................... 26 GM 21.A.3A(b) Occurrence reporting ............................................................. ........................................... 26 AMC 21.A.3A(b)(2) Reporting to the Agency ............................................................. ................................ 26 21.A.3B Airworthiness directives ......................................................... ...................................................... 26 AMC 21.A.3B(b) Unsafe condition ....................................................... ...................................................... 27 GM 21.A.3B(b) Determination of an unsafe condition ......................................................... ..................... 28 GM 21.A.3B(d)(4) Defect correction – Sufficiency of proposed corrective action ..................................... 33 21.A.4 Coordination between design and production .......................................................... ..................... 45 AMC 21.A.4 Transferring of information on eligibility and approval status from the d esign holder to

production organisations ............................................................................................ ................................ 45 SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES ....................................................... 47

21.A.11 Scope ...................................................... ................................................................. ..................... 47 21.A.13 Eligibility ............................................................ ................................................................. .......... 47 21.A.14 Demonstration of capability .............................................................. ........................................... 47 AMC to 21.A.143, 21.A.243, 21.A.14(b), 21.A.112B(b) and 21.A.432B(b) Flight Test Operations Manual

(FTOM) ........................................................................................................................................................ 47 GM 21.A.14(b) Eligibility for alternative procedures ............................................................ ..................... 47 AMC 21.A.14(b) Alternative Procedures ......................................................... ........................................... 48 21.A.15 Application ........................................................ .............................................................. ............. 51 GM No 1 to 21.A.15(d) C larification of the term ‘as applicable’ ............................................................. .. 52 GM No 2 to 21.A.15(d) Determination of type or variant ............................................................... .......... 53 GM No 3 to 21.A.15(d) OSD content .............................................................. ........................................... 53 GM No 4 to 21.A.15(d) Scope of operational suitability data ................................................................... 54 21.A.16A Airworthiness codes ............................................................. ...................................................... 55 21.A.16B Special conditions ................................................................. ...................................................... 55 GM 21.A.16B Special Conditions ......................................................... ...................................................... 55

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21.A.17A Type-certification basis ........................................................ ...................................................... 56 21.A.17B Operational suitability data certification basis ................................................................ .......... 56 GM 21.A.17B(a)(1) Reference date for operational suitability certification basis ..................................... 57 21.A.18 Designation of applicable environmental protection requirements and certification

specifications ......................................................... ................................................................. ..................... 57 21.A.19 Changes requiring a new type-certificate .................................................................................... 58

21.A.20 Compliance with the type-certification basis, operational suitability data certification basis andenvironmental protection requirements ..................................................................................................... 58 AMC 21.A.20(b) Certification programme ................................................................ ................................. 58 Appendix to AMC 21.A.20(b) - Means of compliance codes ............................................................. .......... 59 GM 21.A.20(b) Update to the Certification Programme ........................................................................... 59 AMC 21.A.20(c) Compliance documentation.................................................. ........................................... 60 GM 21.A.20(d) Final statement ........................................................... ...................................................... 60 21.A.21 Issue of a type-certificate ....................................................... ...................................................... 60 21.A.23 Issue of a restricted type-certificate ............................................................. ................................ 61 GM to 21.A.21(f), 21.A.23(b) and 21.A.103(a)4 Approval of OSD ........................................................... .. 61 21.A.31 Type design ................................................................. ............................................................... .. 62 21.A.33 Inspection and tests ............................................................... ...................................................... 62

GM 21.A.33 Inspection and Tests ........................................................ ...................................................... 63 21.A.35 Flight Tests ........................................................ .............................................................. ............. 63 GM 21.A.35 Flight Tests ............................................................ .............................................................. .. 64 GM 21.A.35(b)(2) Objective and Content of Function and Reliability Testing ........................................... 64 GM 21.A.35(f)(1) Flying Time for Function and Reliability Testing .......................................................... .. 64 GM 21.A.35(f)(2) Flying Time for Function and Reliability Testing .......................................................... .. 65 21.A.41 Type-certificate ............................................................ .............................................................. .. 65 21.A.44 Obligations of the holder............................................. ............................................................... .. 65 21.A.47 Transferability .............................................................. .............................................................. .. 65 21.A.51 Duration and continued validity ........................................................ ........................................... 65 21.A.55 Record-keeping ............................................................ .............................................................. .. 65 21.A.57 Manuals ............................................................ ................................................................. .......... 66

21.A.61 Instructions for continued airworthiness ........................................................................ ............. 66 21.A.62 Availability of operational suitability data .............................................................. ..................... 66 GM to 21.A.62, 21.A108 and 21.A.120B Availability of Operational Suitability Data ............................... 67

(SUBPART C — NOT APPLICABLE) ................................................................................................................... .. 68 SUBPART D — CHANGES TO TYPE-CERTIFICATES AND RESTRICTED TYPE CERTIFICATES .................................. 68

21.A.90A Scope ............................................................... ................................................................. .......... 68 GM to 21.A.90A Scope ............................................................... .............................................................. .. 68 21A.90B Standard changes ................................................................. ...................................................... 68 GM 21.A.90B Standard changes — Certification Specifications .............................................................. .. 68 21.A.91 Classification of changes to a type-certificate ........................................................ ..................... 69 GM 21.A.91 Classification of changes to type design ........................................................... ..................... 69 Appendix A to GM 21.A.91: Examples of Major Changes per discipline ..................................................... 71

21.A.92 Eligibility ............................................................ ................................................................. .......... 79 21.A.93 Application ........................................................ .............................................................. ............. 79 GM 21.A.93(b) Major Changes: Application .............................................................. ................................ 79 21.A.95 Minor changes................................................... .............................................................. ............. 79 21.A.97 Major changes ............................................................. .............................................................. .. 79 AMC 21.A.97 Compliance demonstration process for major changes ......................................... ............. 80 21.A.101 Designation of applicable certification specifications and environmental protection

requirements ............................................................................................................................................... 80 GM 21.A.101 Establishment of the type-certification basis of changed aeronautical products ............... 82 Appendix A. to GM 21.A.101 Classification of Changes ................................. ......................................... 103 Appendix B to GM 21.A.101 Procedure for evaluating impracticality of applying latest certification

specifications to a changed product ......................................................................................................... 141 Appendix C to GM 21.A.101 The use of service experience in the certification process .......................... 150 Appendix D to GM 21.A.101 Tables and figures to assist CPR understanding .......... .............................. 154 Appendix E to GM 21.A.101 Related Part 21 Requirements ................................................................. 158

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21.A.103 Issue of approval ........................................................ .............................................................. 158 GM to 21.A.21(f), 21.A.23(b) and 21.A.103(a)4 Approval of OSD ........................................................... 159 21.A.105 Record-keeping .......................................................... .............................................................. 159 21.A.107 Instructions for continued airworthiness ................................................................................... 159 21.A.108 Availability of operational suitability data ............................................................ ................... 160 GM to 21.A.62, 21.A108 and 21.A.120B Availability of Operational Suitability Data ............................. 160

21.A.109 Obligations and EPA marking .......................................................... ......................................... 160 SUBPART E — SUPPLEMENTAL TYPE-CERTIFICATES ....................................................................................... 161

21.A.111 Scope ............................................................... ................................................................. ........ 161 21.A.112A Eligibility ................................................................. ............................................................... 161 21.A.112B Demonstration of capability ......................................................... ......................................... 161 AMC to 21.A.143, 21.A.243, 21.A.14(b), 21.A.112B(b) and 21.A.432B(b) Flight Test Operations Manual

(FTOM) ...................................................................................................................................................... 161 GM 21.A.112B Demonstration of capability for supplemental type-certificate cases ............................ 161 21.A.113 Application for a supplemental type-certificate ............................................................... ........ 165 21.A.114 Showing of compliance ........................................................ .................................................... 165 AMC 21.A.114 Compliance demonstration process for Supplemental Type-Certificate.......................... 165 21.A.115 Issue of a supplemental type-certificate ............................................................... ................... 166

21.A.116 Transferability ............................................................ .............................................................. 166 21.A.117 Changes to that part of a product covered by a supplemental type-certificate ...................... 167 21.A.118A Obligations and EPA marking ....................................................... ......................................... 167 21.A.118B Duration and continued validity............................... .............................................................. 167 21.A.119 Manuals .......................................................... .............................................................. ........... 167 21.A.120A Instructions for continued airworthiness ............................................................ ................... 168 21.A.120B Availability of operational suitability data .......................................................... ................... 168 GM to 21.A.62, 21.A108 and 21.A.120B Availability of Operational Suitability Data ............................. 168

SUBPART F — PRODUCTION WITHOUT PRODUCTION ORGANISATION APPROVAL ....................................... 170 21.A.121 Scope ............................................................... ................................................................. ........ 170 GM No. 1 to 21.A.121 Applicability - Individual product, part or appliance ............................................ 170 GM No. 2 to 21.A.121 Applicability – Applicable design data ................................................................. 170

21.A.122 Eligibility .......................................................... .............................................................. ........... 170 AMC No. 1 to 21.A.122 Eligibility – Link between design and production ............................................... 171 AMC No. 2 to 21.A.122 Eligibility – Link between design and production ............................................... 172 21.A.124 Application ................................................................ ............................................................... 174 GM 21.A.124(a) Application – Application form ..................................................................................... 175 GM 21.A.124(b)(1)(i) Applicability - Inappropriate approval under Subpart G ....................................... 175 GM 21.A.124(b)(1)(ii) Certification or approval needed in advance of the issue of a POA ..................... 175 GM 21.A.124(b)(2) Application - Minimum information to include with the application ....................... 176 21.A.125A Issue of a letter of agreement ....................................................... ......................................... 176 GM No. 1 to 21.A.125A Letter of agreement - Meaning of individual .................................................... 176 GM No. 1 to 21.A.125A(b) Letter of agreement - Contents of the Manual ............................................. 176 GM No. 2 to 21.A.125A(b) Letter of agreement - Production Inspection System: Functional Tests ........ 177

GM 21.A.125A(c) Letter of agreement - Assistance ................................................................................ 178 21.A.125B Findings ......................................................... .............................................................. ........... 178 GM No. 1 to 21.A.125B(a) Uncontrolled non-compliance with applicable design data .......................... 178 GM No. 2 to 21.A.125B(a) Examples for level one findings ............................................................. ........ 178 21.A.125C Duration and continued validity ............................................................... .............................. 179 21.A.126 Production inspection system .................................................................................................. 179 GM 21.A.126 Production Inspection System ............................................................. .............................. 180 GM 21.A.126(a)(1) Production Inspection System – Conformity of supplied parts, appliances and

material ...................................................... ................................................................. .............................. 180 GM 21.A.126(a)(2) Production Inspection System - Identification of incoming materials and parts ...... 181 GM No. 1 to 21.A.126(a)(3) Production Inspection System - List of specifications.................................. 181 GM No. 2 to 21.A.126(a)(3) Production Inspection System - Means of checking of the production

processes ............................................................... ................................................................. ................... 181 GM 21.A.126(a)(4) Production Inspection System – Applicable design/production data procedures .... 182 GM 21.A.126(b)(1) Production Inspection System - Inspection of parts in process ................................. 182

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GM 21.A.126(b)(2) Production Inspection System – Suitable storage and protection ............................ 182 GM 21.A.126(b)(3) Production Inspection System – Use of derived data instead of original design data

.................................................................................................................................................................. 183 GM 21.A.126(b)(4) Production Inspection System – Segregation of rejected material ........................... 183 GM 21.A.126(b)(5) Production Inspection System – Engineering and manufacturing review procedure183 GM 21.A.126(b)(6) Production Inspection System – Recording and record keeping ............................... 183

21.A.127 Tests: aircraft ............................................................. .............................................................. 184 GM 21.A.127 Approved production ground and flight tests ................................................................... 185 21.A.128 Tests: engines and propellers .......................................................... ......................................... 185 GM No. 1 to 21.A.128 Acceptable functional test - Engines ......................................................... ........... 185 GM No. 2 to 21.A.128 Acceptable functional test – Variable pitch propellers ......................................... 185 GM No. 3 to 21.A.128 Acceptable functional test - Engines and Propellers ............................................ 185 21.A.129 Obligations of the manufacturer ................................................................ .............................. 185 GM 21.A.129(a) Availability for inspection by the competent authority ................................................. 186 AMC No. 1 to 21.A.129(c) Obligations of the manufacturer – Conformity of prototype models and test

specimens .............................................................. ................................................................. ................... 186 AMC No. 2 to 21.A.129(c) Obligations of the manufacturer – Conformity with Applicable Design Data 187 AMC No. 3 to 21.A.129(c) Obligations of the manufacturer – Condition for safe operation .................. 187

21.A.130 Statement of conformity ................................................................. ......................................... 188 AMC No. 1 to 21.A.130(b) Statement of Conformity for Complete Aircraft ............................................ 189 AMC No. 2 to 21.A.130(b) Statement of Conformity for Products (other than complete aircraft), parts,

appliances and materials - The Authorised Release Certificate (EASA Form 1) ........................................ 191 AMC 21A.130(b)(4) Applicable emissions requirements ........................................................ ................... 194 GM 21A.130(b)(4) Definitions of engine type certification date and production date ............................. 197 AMC 21.A.130(c) Validation of the Statement of Conformity ................................................................... 197 AMC 21.A.130(c)(1) Initial transfer of ownership ....................................................... .............................. 197

SUBPART G — PRODUCTION ORGANISATION APPROVAL FOR PRODUCTS, PARTS AND APPLIANCES ........... 198 21.A.131 Scope ............................................................... ................................................................. ........ 198 GM 21.A.131 Scope – Applicable design data ......................................................................................... 198 21.A.133 Eligibility .......................................................... .............................................................. ........... 198

GM 21.A.133(a) Eligibility – Approval appropriate for showing conformity ........................................... 199 AMC No. 1 to 21.A.133(b) and (c) Eligibility – Link between design and production organisations........ 200 AMC No. 2 to 21.A.133(b) and (c) Eligibility – Link between design and production organisations........ 200 21.A.134 Application ................................................................ ............................................................... 202 GM 21.A.134 Application – Application form and manner ..................................................................... 202 21.A.135 Issue of production organisation approval ........................................................... ................... 203 21.A.139 Quality System ........................................................... .............................................................. 203 GM No. 1 to 21.A.139(a) Quality System ....................................................... ......................................... 204 GM No. 2 to 21.A.139(a) Quality System – Conformity of supplied parts or appliances ......................... 204 GM 21.A.139(b)(1) Quality System – Elements of the quality system ..................................................... 205 AMC No. 1 to 21.A.139(b)(1)(ii) Vendor and sub-contractor assessment, audit and control – Production

Organisation Approval (POA) holder using documented arrangements with other parties for assessment

and surveillance of a supplier. ............................................................... .................................................... 206 AMC No. 2 to 21.A.139(b)(1)(ii) Vendor and sub-contractor assessment, audit and control - ProductionOrganisation Approval (POA) holder using other party supplier certification .......................................... 208 GM No. 1 to 21.A.139(b)(2) Quality System – Independent quality assurance function ......................... 210 GM No. 2 to 21.A.139(b)(2) Quality System – Adequacy of procedures and monitoring function .......... 210 21.A.143 Exposition ........................................................ .............................................................. ........... 210 AMC to 21.A.143, 21.A.243, 21.A.14(b), 21.A.112B(b) and 21.A.432B(b) Flight Test Operations Manual

(FTOM) ...................................................................................................................................................... 211 GM 21.A.143 Exposition – Production Organisation Exposition (POE) .................................................... 214 21.A.145 Approval requirements......................... ................................................................. ................... 214 GM 21.A.145(a) Approval Requirements.................................. ............................................................... 215 GM 21.A.145(b)(2) Approval Requirements – Airworthiness, noise, fuel venting and exhaust emissions

/production data procedures ........................................................................... ......................................... 215 GM 21.A.145(c)(1) Approval Requirements – Accountable manager ............ ......................................... 216 GM 21.A.145(c)(2) Approval Requirements – Responsible managers ..................................................... 216

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AMC 21.A.145(d)(1) Approval Requirements – Certifying staff ............................................................... 217 AMC 21.A.145(d)(2) Approval Requirements – Record of certifying staff ............................................... 217 AMC 21.A.145(d)(3) Approval requirements – Evidence of authorisation .............................................. 218 21.A.147 Changes to the approved production organisation.................................................................. 218 GM 21.A.147(a) Changes to the approved production organisation – Significant changes ................... 218 21.A.148 Changes of location .............................................................. .................................................... 219

AMC 21.A.148 Changes of location – Management during change of location ..................................... 219 21.A.149 Transferability ............................................................ .............................................................. 220 GM 21.A.149 Transferability ............................................................... .................................................... 220 21.A.151 Terms of approval ................................................................ .................................................... 221 GM 21.A.151 Terms of approval – Scope and categories ................................................................ ........ 221 21.A.153 Changes to the terms of approval .............................................................. .............................. 222 AMC 21.A.153 Changes to the terms of approval – Application for a change to the terms of approval 222 21.A.157 Investigations ............................................................. .............................................................. 223 GM 21.A.157 Investigations – Arrangements ......................................................................................... 223 21.A.158 Findings ........................................................... .............................................................. ........... 223 GM No. 1 to 21.A.158(a) Uncontrolled non-compliance with applicable design data ............................ 224 GM No. 2 to 21.A.158(a) Examples of level one findings ........................................................................ 224

21.A.159 Duration and continued validity ................................................................ ............................... 225 GM 21.A.159(a)(3) Evidence of a lack of satisfactory control ...................................................... ........... 225 21.A.163 Privileges ......................................................... .............................................................. ........... 225 AMC No 1 to 21.A.163(c) Computer generated signature and electronic exchange of the EASA Form 1226 AMC No 2 to 21.A.163(c) Completion of the EASA Form 1 .............................................................. ........ 228 AMC 21.A.163(d) Privileges – Maintenance ............................................................................................ 229 AMC 21.A.163(e) Procedure for the issue of a permit to fly including approval of the flight conditions 230 21.A.165 Obligations of the holder ......................................................................................................... 231 GM 21.A.165(a) Obligations of the holder – Basic working document ................................................... 233 GM No. 1 to 21.A.165(c) Obligations of the holder – Conformity of prototype models and test specimens

.................................................................................................................................................................. 233 GM No. 2 to 21.A.165(c) Obligations of holder – Conformity with type design ...................................... 233

GM No. 3 to 21.A.165(c) Obligations of the holder – Condition for safe operation ................................ 233 GM No. 4 to 21A.165(c) Airworthiness Release or Conformity Certificate .............................................. 235 AMC 21A.165(c)(3) Applicable emissions requirements ........................................................ ................... 235 GM 21A.165(c)(3) Definitions of engine type certification date and production date .............................. 238 GM 21.A.165(d) and (h) Obligations of the holder – Recording and archiving system ........................... 238

SUBPART H — CERTIFICATES OF AIRWORTHINESS AND RESTRICTED CERTIFICATES OF AIRWORTHINESS..... 240 21.A.171 Scope ............................................................... ................................................................. ........ 240 21.A.172 Eligibility .......................................................... .............................................................. ........... 240 21.A.173 Classification .............................................................. .............................................................. 240 21.A.174 Application ................................................................ ............................................................... 240 21.A.175 Language ......................................................... .............................................................. ........... 241 21.A.177 Amendment or modification ........................................................... ......................................... 241

21.A.179 Transferability and re-issuance within Member States ............................................................ 241 21.A.180 Inspections ................................................................ ............................................................... 242 21.A.181 Duration and continued validity ................................................................ ............................... 242 21.A.182 Aircraft identification ........................................................... .................................................... 242

SUBPART I — NOISE CERTIFICATES ............................................................. .................................................... 243 21.A.201 Scope ............................................................... ................................................................. ........ 243 21.A.203 Eligibility .......................................................... .............................................................. ........... 243 21.A.204 Application ................................................................ ............................................................... 243 21.A.207 Amendment or modification ........................................................... ......................................... 243 21.A.209 Transferability and re-issuance within Member States ............................................................ 243 21.A.210 Inspections ................................................................ ............................................................... 244 21.A.211 Duration and continued validity ................................................................ ............................... 244

SUBPART J — DESIGN ORGANISATION APPROVAL ........................................................... .............................. 245 21.A.231 Scope ............................................................... ................................................................. ........ 245 21.A.233 Eligibility .......................................................... .............................................................. ........... 245

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21.A.234 Application ................................................................ ............................................................... 245 21.A.235 Issue of design organisation approval ..................................................................................... 245 21.A.239 Design assurance system ................................................................ ......................................... 245 GM No. 1 to 21.A.239(a) Design assurance system ..................................................................... ........... 246 GM No. 2 to 21.A.239(a) Design assurance system for minor changes to type design or minor repairs to

products ................................................................ ................................................................ .................... 251

AMC 21.A.239(a)(3) Design assurance system - Independent system monitoring ................................. 252 AMC 21.A.239(b) Design assurance system - Independent checking function of the demonstration of

compliance ................................................................................................................................................ 252 GM 21.A.239(c) Design assurance system ................................................................................... ........... 252 21.A.243 Data........................................... ................................................................. .............................. 252 AMC to 21.A.143, 21.A.243, 21.A.14(b), 21.A.112B(b) and 21.A.432B(b) Flight Test Operations Manual

(FTOM) ...................................................................................................................................................... 253 AMC No. 1 to 21.A.243(a) Data requirements .................................... .................................................... 253 AMC No. 2 to 21.A.243(a) Data requirements - Model content of handbook for organisations designing

minor changes to type design or minor repairs to products ..................................................................... 255 GM No. 1 to 21.A.243(d) Statement of qualifications and experience .................................................... 256 GM No. 2 to 21.A.243(d) Data requirements - Statement of the qualification and experience-

Organisations designing minor changes to type design or minor repairs to products .............................. 258 21.A.245 Approval requirements......................... ................................................................. ................... 259 GM No. 1 to 21.A.245 Requirements for approval See 21.A.245 ............................................................ 259 GM No. 2 to 21.A.245 Requirements for approval - Organisations designing minor changes to type

design or minor repairs to products .......................................................................................................... 260 21.A.247 Changes in design assurance system ....................................................................................... 260 GM 21.A.247 Significant changes in the design assurance system ......................................................... 261 21.A.249 Transferability ............................................................ .............................................................. 262 GM 21.A.249 Transferability ............................................................... .................................................... 262 21.A.251 Terms of approval ................................................................ .................................................... 262 GM No. 1 to 21.A.251 Terms of approval ....................................................... ......................................... 262 GM No. 2 to 21.A.251 Terms of approval - Organisations designing minor changes to type design or

minor repairs to products ............................................................ .............................................................. 263 21.A.253 Changes to the terms of approval .............................................................. .............................. 263 21.A.257 Investigations ............................................................. .............................................................. 263 GM 21.A.257(a) Investigations ............................................................ .................................................... 264 21.A.258 Findings ........................................................... .............................................................. ........... 264 21.A.259 Duration and continued validity ................................................................ ............................... 264 21.A.263 Privileges ......................................................... .............................................................. ........... 265 GM 21.A.263(b) DOA privilege related to compliance documents .......................................................... 266 AMC 21.A.263(b)(1) Compliance documents with conditions related to engine or propeller without a

type-certificate or with unapproved changes and fitted on aircraft for which a permit to fly is requested

.................................................................................................................................................................. 266 AMC No. 1 to 21.A.263(c)(1) Procedure for the classification of changes to type design and repairs as

minor and major ....................................................................................................................................... 266 AMC No. 2 to 21.A.263(c)(1) Privileges - Organisations designing minor changes to type design or minorrepairs to products : classification procedure ........................................................................................... 268 AMC No. 1 to 21.A.263(c)(2) Procedure for the approval of minor changes to type design or minor

repairs ....................................................................................................................................................... 269 AMC No. 2 to 21.A.263(c)(2) Privileges - Organisations designing minor changes to type design or minor

repairs to products : procedure for the approval of minor changes to type design or minor repairs ....... 270 GM 21.A.263(c)(3) Issue of information or instructions ................................................................ .......... 271 GM 21.A.263(c)(4) Procedure for the approval of minor revisions to the aircraft flight manual ........... 272 AMC 21.A.263(c)(6) Procedure for the approval of the conditions for issue of a permit to fly ............... 275 EASA Form 18A Issue 3 ........................................................................................................ ...................... 277 AMC 21.A.263(c)(7) Procedure for the issue of a permit to fly ..................................................... ........... 278 21.A.265 Obligations of the holder ......................................................................................................... 279 AMC 21.A. 265(a) Administration of the Handbook ............................................................. ................... 279 GM 21.A.265(b) Use of the Handbook ........................................................... ......................................... 280

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SUBPART K — PARTS AND APPLIANCES ................................................................. ......................................... 281 21.A.301 Scope ............................................................... ................................................................. ........ 281 21.A.303 Compliance with applicable requirements ............................................................ ................... 281 AMC 21.A.303(c) Standard Parts ......................................................... .................................................... 281 GM No. 2 to 21.A.303(c) Officially recognised Standards ............................................................... ........ 281 21.A.305 Approval of parts and appliances ................................................................................. ........... 282

21.A.307 Release of parts and appliances for installation ...................................................................... 282 (SUBPART L — NOT APPLICABLE) ................................................................................................................... 283 SUBPART M — REPAIRS ......................................................... .............................................................. ........... 283

21.A.431A Scope ............................................................. ................................................................. ........ 283 GM 21.A.431(a) Scope ............................................................... .............................................................. 283 21A.431B Standard repairs ..................................................................................................... ........... 284 GM 21.A.431B Standard repairs — Certification Specifications ............................................................. 284 GM 21.A.431(d) Repairs to ETSO articles other than an APU ....................................................... ........... 284 21.A.432A Eligibility ................................................................. ............................................................... 284 21.A.432B Demonstration of capability ......................................................... ......................................... 285 AMC to 21.A.143, 21.A.243, 21.A.14(b), 21.A.112B(b) and 21.A.432B(b) Flight Test Operations Manual

(FTOM) ...................................................................................................................................................... 285

21.A.433 Repair design .............................................................. .............................................................. 285 AMC 21.A.433 (a) and 21.A.447 Repair design and record keeping ........................................................ 285 21.A.435 Classification of repairs ........................................................ .................................................... 286 GM 21.A.435(a) Classification of repairs ........................................................ ......................................... 286 21.A.437 Issue of a repair design approval ............................................................... .............................. 288 GM 21.A.437 Issue of repair design approval ......................................................................................... 288 GM 21.A.437(a) Issue of repair design approval ....................................................... .............................. 289 AMC 21.A.437(b) Issue of repair design approval ....................................................................... ........... 290 21.A.439 Production of repair parts ............................................................... ......................................... 290 GM 21.A.439 Production of repair parts ....................................................... ......................................... 290 21.A.441 Repair embodiment .............................................................. .................................................... 290 GM 21.A.441 Repair Embodiment ....................................................... .................................................... 291

21.A.443 Limitations...................... ................................................................. ......................................... 291 GM 21.A.443 Limitations ........................................................... .............................................................. 291 21.A.445 Unrepaired damage ............................................................. .................................................... 291 GM 21.A.445 Unrepaired damage ................................................................. ......................................... 291 21.A.447 Record-keeping .......................................................... .............................................................. 293 AMC 21.A.433 (a) and 21.A.447 Repair design and record keeping ........................................................ 293 21.A.449 Instructions for continued airworthiness ...................................................................... ........... 293 21.A.451 Obligations and EPA marking .......................................................... ......................................... 293

(SUBPART N — NOT APPLICABLE) .................................................................................................................. 295 SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS ........................... ................... 295

21.A.601 Scope ............................................................... ................................................................. ........ 295 21.A.602A Eligibility ................................................................. ............................................................... 295

21.A.602B Demonstration of capability ......................................................... ......................................... 295 AMC 21.A.602B(b)(2) Procedures for ETSO authorisations ..................................................................... 295 21.A.603 Application ................................................................ ............................................................... 296 21.A.604 ETSO Authorisation for an Auxiliary Power Unit (APU) ............................................................ 296 21.A.605 Data requirements ............................................................... .................................................... 296 21.A.606 Issue of ETSO authorisation....................................... ............................................................... 297 21.A.607 ETSO authorisation privileges ......................................................... ......................................... 297 21.A.608 Declaration of Design and Performance (DDP) ................................................................ ........ 297 AMC 21.A.608 Declaration of Design and Performance................................. ......................................... 298 21.A.609 Obligations of holders of ETSO authorisations ................................................................ ......... 301 21.A.610 Approval for deviation .................................................................................................. ........... 301 21.A.611 Design changes .......................................................... .............................................................. 301 GM to 21.A.611 Design changes ......................................................... .................................................... 301 21.A.613 Record-keeping .......................................................... .............................................................. 302 21.A.615 Inspection by the Agency ................................................................ ......................................... 302

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21.A.619 Duration and continued validity ................................................................ ............................... 302 21.A.621 Transferability ............................................................ .............................................................. 302

SUBPART P — PERMIT TO FLY .......................................................... .............................................................. 303 GM to Subpart P ............................................................... ................................................................. ........ 303 21.A.701 Scope ............................................................... ................................................................. ........ 306 GM 21.A.701 Scope ........................................................ .............................................................. ........... 307

GM 21.A.701(a) Permit to fly when certificate of airworthiness or restricted certificate of airworthiness isnot appropriate ........................................................................................................... .............................. 307 21.A.703 Eligibility .......................................................... .............................................................. ........... 309 GM 21.A.703 Applicant for a permit to fly ................................................................ .............................. 310 21.A.705 Competent authority ............................................................ .................................................... 310 GM 21.A.705 Competent authority ................................................................ ......................................... 310 21.A.707 Application for permit to fly ............................................................ ......................................... 310 GM 21.A.707(b) Application ................................................................ .................................................... 310 21.A.708 Flight conditions ......................................................... .............................................................. 311 GM 21.A.708(b)(6) Continuing airworthiness ......................................................................................... 311 GM No. 1 to 21.A.708(c) Safe flight ................................................................ ......................................... 311 GM No. 2 to 21.A.708(c) Substantiations ....................................................... ......................................... 312

GM No. 3 to 21.A.708(c) Operation of Overweight Aircraft ......................................................... ........... 312 GM 21.A.708(d) Control of aircraft configuration ................................................................ ................... 313 21.A.709 Application for approval of flight conditions ......................................................... ................... 314 AMC 21.A.709(b) Submission of documentation supporting the establishment of flight conditions ...... 314 EASA Form 18B Issue 3 .............................................................................................................................. 315 21.A.710 Approval of flight conditions ...................................................................................................... 315 GM 21.A.710 Approval of flight conditions ............................................................... .............................. 315 21.A.711 Issue of a permit to fly .......................................................... .................................................... 316 GM 21.A.711(e) Additional conditions and restrictions ................................................................ ........... 316 21.A.713 Changes ........................................................... .............................................................. ........... 317 GM 21.A.713 Changes ............................................................... .............................................................. 317 21.A.715 Language ......................................................... .............................................................. ........... 317

21.A.719 Transferability ............................................................ .............................................................. 317 GM 21.A.719 Transfer of a permit to fly ................................................................................................. 317 21.A.721 Inspections ................................................................ ............................................................... 317 21.A.723 Duration and continued validity ................................................................ ............................... 317 21.A.725 Renewal of permit to fly ....................................................... .................................................... 318 21.A.727 Obligations of the holder of a permit to fly ........................................................... ................... 318 21.A.729 Record-keeping .......................................................... .............................................................. 318

SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES ................................ ..................... 319 21.A.801 Identification of products ................................................................ ......................................... 319 21.A.803 Handling of identification data ....................................................... ......................................... 319 21.A.804 Identification of parts and appliances ........................................................ .............................. 320 GM 21.A.804(a)(1) Identification of parts and appliances .............................................................. ........ 320

21.A.805 Identification of critical parts .......................................................... ......................................... 320 21.A.807 Identification of ETSO articles ......................................................... ......................................... 320 SECTION B PROCEDURES FOR COMPETENT AUTHORITIES ............................................................................. 322 SUBPART A — GENERAL PROVISIONS ............................................................................................................ 322

21.B.5 Scope ........................................................ ................................................................. ................... 322 21.B.20 Obligations of the competent authority ....................................................... .............................. 322 GM 21.B.20 Responsibility for implementation ......................................................... .............................. 322 21.B.25 Requirements for the organisation of the competent authority ................................................ 322 GM 21.B.25(a) Organisation ............................................................... .................................................... 323 GM 21.B.25(b) Resources .......................................................... .............................................................. 324 GM 21.B.25(c) Qualification and training ............................................................................................... 325 21.B.30 Documented procedures ........................................................ .................................................... 325 AMC 21.B.30(a) Documented procedures ............................................................................................... 325 21.B.35 Changes in organisation and procedures ................................................................ ................... 326 AMC 21.B.35(a) Changes ........................................................... .............................................................. 326

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21.B.40 Resolution of disputes ............................................................ .................................................... 326 GM 21.B.40 Principles for the resolution of disputes ........................................................... ................... 326 21.B.45 Reporting/coordination .......................................................... .................................................... 327 GM No. 1 to 21.B.45 Co-ordination with other related activities ............................................................ 327 GM No. 2 to 21.B.45 Co-ordination ................................................................ ......................................... 327 GM No. 3 to 21.B.45 Reporting - Information relevant to registers established by the Agency ............. 328

21.B.55 Record-keeping ............................................................. .............................................................. 328 GM 21.B.55 Record keeping for design approvals transferred to the Agency......................................... 328 21.B.60 Airworthiness directives ......................................................... .................................................... 329

SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES ..................................................... 330 (SUBPART C — NOT APPLICABLE) ................................................................................................................... 330 SUBPART D — CHANGES TO TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES ............................... 330

21.B.70 Approval of changes to type-certificates ................................................................ .................... 330 SUBPART E – SUPPLEMENTAL TYPE-CERTIFICATES ........................................................................................ 330 SUBPART F — PRODUCTION WITHOUT PRODUCTION ORGANISATION APPROVAL ....................................... 331

21.B.120 Investigation ............................................................... .............................................................. 331 AMC 21.B.120(a) Investigation team - Qualification criteria for the investigation team members ........ 331 AMC 21.B.120(c)(1) Evaluation of applications ......................................................... .............................. 331

GM 21.B.120(c)(3) Investigation preparation and planning ........................................................ ........... 334 GM 21.B.120(c)(5) and (6) Auditing and investigation findings .............................................................. 334 21.B.125 Findings ........................................................... .............................................................. ........... 334 GM 21.B.125(a) Objective evidence ............................................................... ......................................... 335 21.B.130 Issue of letter of agreement ............................................................ ......................................... 335 AMC 21.B.130 Issue of the letter of agreement .................................. .................................................... 335 GM 21.B.130(b) Issue of the letter of agreement ................................................................ .................... 335 21.B.135 Maintenance of the letter of agreement ............................................................... ................... 336 21.B.140 Amendment of a letter of agreement ........................................................ .............................. 336 AMC 21.B.140 Amendment of a letter of agreement ........................................................... ................... 336 21.B.145 Limitation, suspension and revocation of a letter of agreement ............................................. 337 21.B.150 Record-keeping..................................... .............................................................. ...................... 337

GM 21.B.150(d) Record keeping - Traceability of release certificates ..................................................... 337 SUBPART G— PRODUCTION ORGANISATION APPROVAL .............................................................................. 338

21.B.220 Investigation ............................................................... .............................................................. 338 GM 21.B.220(a) Investigation team ............................................................... ......................................... 338 AMC 21.B. 220(c) Procedures for investigation - Evaluation of applications ................................ .......... 339 EASA Form 50 ............................................................................................................................................ 340 GM No. 1 to 21.B.220(c) Procedures for investigation - Investigation preparation and planning .......... 341 GM No. 2 to 21.B.220(c) Procedures for investigation – General............................................................ 341 GM No. 3 to 21.B.220(c) Procedures for investigation - POA applications received from organisations

with facilities/partners/suppliers/sub-contractors located in a third country .......................................... 357 GM No. 4 to 21.B.220(c) Procedures for investigation – Competent authority surveillance of suppliers of

a POA holder located in other Member States ............................................................ .............................. 358

EASA Form 58B – Report on sub-contractor surveillance, Page x of x ...................................................... 364 21.B.225 Findings ........................................................... .............................................................. ........... 365 GM 21.B.225(a) Objective evidence ............................................................... ......................................... 365 AMC 21.B.225(a) Notification of findings ....................................................... ......................................... 365 21.B.230 Issue of certificate ................................................................ .................................................... 365 AMC No. 1 to 21.B.230 Issue of the certificate .......................................................... .............................. 365 21.B.235 Continued surveillance ......................................................... .................................................... 366 GM 21.B.235(a)(4) Guide to the conduct of monitoring production standards. ..................................... 366 GM 21.B.235(b) Maintenance of the POA - Work allocation within the competent authority ............... 367 GM 21.B.235(b) and (c) Continued surveillance ........................................................ .............................. 367 AMC 21.B.235(c) Continuation of POA ........................................................... ......................................... 368 21.B.240 Amendment of a production organisation approval ..................................................... ........... 368 AMC No. 1 to 21.B.240 Application for significant changes or variation of scope and terms of the POA

.................................................................................................................................................................. 368 21.B.245 Suspension and revocation of a production organisation approval ......................................... 371

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GM 21.B.245 Continued validity .......................................................... .................................................... 372 AMC 21.B.245 Corrective action plan ............................................................. ......................................... 372 21.B.260 Record-keeping..................................... .............................................................. ...................... 372

SUBPART H — AIRWORTHINESS CERTIFICATES AND RESTRICTED CERTIFICATES OF AIRWORTHINESS .......... 374 21.B.320 Investigation ............................................................... .............................................................. 374 GM 21.B.320(b)(6) Investigation ......................................................... .................................................... 374

21.B.325 Issue of airworthiness certificate................................ .............................................................. 374 GM 21.B.325(a) Airworthiness certificates..................... .............................................................. ........... 375 GM 21.B.325(b) Completion of the Airworthiness Review Certificate by a Member State ..................... 375 21.B.326 Certificate of airworthiness ............................................................. ......................................... 375 21.B.327 Restricted certificate of airworthiness ..................................................................................... 376 21.B.330 Suspension and revocation of certificates of airworthiness and restricted certificates of

airworthiness ......................................................... ................................................................. ................... 377 21.B.345 Record-keeping..................................... .............................................................. ...................... 377

SUBPART I — NOISE CERTIFICATES ............................................................. .................................................... 378 21.B.420 Investigation ............................................................... .............................................................. 378 21.B.425 Issue of noise certificates ......................................................................................................... 378 GM 21.B.425(a) Noise certificates ....................................................... .................................................... 378

21.B.430 Suspension and revocation of a noise certificate ............................................................. ........ 381 21.B.445 Record-keeping..................................... .............................................................. ...................... 381

SUBPART J — DESIGN ORGANISATION APPROVAL ........................................................... .............................. 382 SUBPART K — PARTS AND APPLIANCES ................................................................. ......................................... 382 (SUBPART L — NOT APPLICABLE) ................................................................................................................... 382 SUBPART M — REPAIRS ......................................................... .............................................................. ........... 382 (SUBPART N — NOT APPLICABLE) .................................................................................................................. 382 SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS ........................... ................... 382 SUBPART P — PERMIT TO FLY......................................................................................................................... 383

21.B.520 Investigation ............................................................... .............................................................. 383 AMC 21.B.520(b) Application for a permit to fly .......................................................................... ........... 383 21.B.525 Issue of permits to fly ........................................................... .................................................... 384

21.B.530 Revocation of permits to fly ..................................................................................................... 384 21.B.545 Record-keeping..................................... .............................................................. ...................... 384

SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES ................................ ..................... 385 APPENDICES ............................................................... ................................................................. ................... 386

Appendix I — Authorised Release Certificate — EASA Form 1 referred to in Annex I (Part 21) ................ 387 Appendix II — Airworthiness Review Certificate — EASA Form 15a ......................................................... 393 Appendix III — EASA Form 20a — Permit to Fly .......................................................... .............................. 395 Appendix IV — EASA Form 20b — Permit to Fly (issued by approval organisations) ................................ 396 Appendix V — EASA Form 24 — Restricted Certificate of Airworthiness .................................................. 397 Appendix VI — EASA Form 25 — Certificate of Airworthiness .................................................................. 398 Appendix VII — EASA Form 45 — Noise Certificate ................................................................ ................... 399 Appendix VIII — EASA Form 52 — Aircraft Statement of Conformity ....................................................... 400

Appendix IX — EASA Form 53 — Certificate of Release to Service ............................................................ 404 Appendix X — EASA Form 55 — Production Organisation Approval Certificate ....................................... 406 Appendix XI — EASA Form 65 — Letter of Agreement for production without production approval ....... 408 Appendix XII — Categories of flight tests and associated flight test crew qualifications.......................... 409 AMC No. 1 Training courses for Lead Flight Test Engineers (LFTEs) ........................................................ 413 AMC No. 2 Conditions for appointment of Lead Flight Test Engineers (LFTEs) — Medical fitness .......... 420 GM No 1 to Appendix XII to Part-21 Lead Flight Test Engineer (LFTE) .................................................... 420 GM No. 2 to Appendix XII to Part-21 Competence and experience of pilots for Category 3 and Category 4

flight tests and of Lead Flight Test Engineers (LFTEs) ............................................................ ................... 424 ANNEX II ...................................................................................................................................................... 426 ANNEX III ..................................................................................................................................................... 427

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PART-21 rules, AMC and GM Note from the Editor

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NOTE FROM THE EDITOR

This PDF contains Commission Regulation (EU) No 748/2012 and its amending regulations (EU) No

7/2013 on Environmental Protection Requirements, (EU) No 69/2014 on Operational Suitability Data,

and (EU) No 2915/1039 on Flight Testing; together with the related Acceptable Means of Compliance

and Guidance Materials (AMC/GM) taken from the ED Decisions ED 2013/001/R, ED 2014/007/R, ED

2015/016/R and ED 2015/026/R.

The format is such that the rules paragraphs from the Implementing Regulation (IR) are followed by

their respective AMC and GM paragraph(s).

Eventual further updates will follow in order to accommodate future amendments.

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PART-21 rules, AMC and GM Disclaimer

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DISCLAIMER

This version has been prepared by the Agency in order to provide stakeholders with an updated and

easy-to-read publication. It has been prepared by combining the officially published texts of the

corresponding regulations together with the Acceptable Means of Compliance and Guidance Material

(including the amendments) adopted so far. However, this is not an official publication and the Agency

accepts no liability for damage of any kind resulting from the risks inherent in the use of this document.

This document will be updated regularly if needed to take into account further amendments.

The format of this document has been adjusted in order to make it easier to read and for reference

purposes. Readers are invited and encouraged to report to [email protected] any

perceived errors, or comments relating to this publication.

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PART-21 rules, AMC and GM Cover Regulation

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COVER REGULATION

Article 1 Scope and definitions

1. This Regulation lays down, in accordance with Article 5(5) and Article 6(3) of Regulation (EC) No

216/2008, common technical requirements and administrative procedures for the

airworthiness and environmental certification of products, parts and appliances specifying:

(a) the issue of type-certificates, restricted type-certificates, supplemental type-certificates

and changes to those certificates;

(b) the issue of certificates of airworthiness, restricted certificates of airworthiness, permits

to fly and authorised release certificates;

(c) the issue of repair design approvals;

(d) the showing of compliance with environmental protection requirements;

(e) the issue of noise certificates;

(f) the identification of products, parts and appliances;

(g) the certification of certain parts and appliances;

(h) the certification of design and production organisations;

(i) the issue of airworthiness directives.

2. For the purpose of this Regulation, the following definitions shall apply:

(a) ‘JAA’ means the ‘Joint Aviation Authorities’;

(b) ‘JAR’ means ‘Joint Aviation Requirements’;

(c) ‘Part 21’ means the requirements and procedures for the certification of aircraft and

related products, parts and appliances, and of design and production organisations laid

down in Annex I to this Regulation;

(d) ‘Part M’ means the applicable continuing airworthiness requirements adopted in

pursuance of Regulation (EC) No 216/2008;

(e) ‘principal place of business’ means the head office or registered office of the undertaking

within which the principal financial functions and operational control of the activities

referred to in this Regulation are exercised;

(f) ‘article’ means any part and appliance to be used on civil aircraft;

(g) ‘ETSO’ means European Technical Standard Order. The European Technical Standard

Order is a detailed airworthiness specification issued by the European Aviation Safety

Agency (the 'Agency') to ensure compliance with the requirements of this Regulation as

a minimum performance standard for specified articles;

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(h) ‘EPA’ means European Part Approval. European Part Approval of an article means the

article has been produced in accordance with approved design data not belonging to the

type-certificate holder of the related product, except for ETSO articles;

(i) ‘ELA1 aircraft’ means the following manned European Light Aircraft:

(i) an aeroplane with a Maximum Take-off Mass (MTOM) of 1 200 kg or less that is

not classified as complex motor-powered aircraft;

(ii) a sailplane or powered sailplane of 1 200 kg MTOM or less;

(iii) a balloon with a maximum design lifting gas or hot air volume of not more than 3

400 m3 for hot air balloons, 1 050 m3 for gas balloons, 300 m3 for tethered gas

balloons;

(iv) an airship designed for not more than 4 occupants and a maximum design lifting

gas or hot air volume of not more than 3 400 m3 for hot air airships and 1 000 m3

for gas airships;

(j) ‘ELA2 aircraft’ means the following manned European Light Aircraft:

(i) an aeroplane with a Maximum Take-off Mass (MTOM) of 2 000 kg or less that is

not classified as complex motor-powered aircraft;

(ii) a sailplane or powered sailplane of 2 000 kg MTOM or less;

(iii) a balloon;

(iv) a hot air airship;

(v) a gas airship complying with all of the following characteristics:

– 3% maximum static heaviness,

– Non-vectored thrust (except reverse thrust),

– Conventional and simple design of: structure, control system and ballonet

system,

– Non-power assisted controls;

(vi) a Very Light Rotorcraft.

Article 2 Products, parts and appliances certification

1. Products, parts and appliances shall be issued certificates as specified in Annex I (Part 21).

2. By way of derogation from point 1, aircraft, including any installed product, part and appliance,

which are not registered in a Member State shall be exempted from the provisions of Subparts

H and I of Annex I (Part 21). They shall also be exempted from the provisions of Subpart P of

Annex I (Part 21) except when aircraft identification marks are prescribed by a Member State.

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Article 3 Continued validity of type-certificates and related certificates of

airworthiness

1. With regard to products which had a type-certificate, or a document allowing the issuing of a

certificate of airworthiness, issued before 28 September 2003 by a Member State, the following

provisions shall apply:

(a) the product shall be deemed to have a type-certificate issued in accordance with this

Regulation when:

(i) its type-certification basis was:

– the JAA type-certification basis, for products that have been certificated

under JAA procedures, as defined in their JAA data sheet, or

– for other products, the type-certification basis as defined in the

type-certificate data sheet of the State of design, if that State of design was:

–

a Member State, unless the Agency determines, taking into account,in particular, certification specifications used and service experience,

that such type-certification basis does not provide for a level of safety

equivalent to that required by Regulation (EC) No 216/2008 and this

Regulation, or

– a State with which a Member State had concluded a bilateral

airworthiness agreement or similar arrangement under which such

products have been certificated on the basis of the certification

specifications of that State of

EASA Part 21

Documents

Transcript of EASA Part 21