1. Introductory Text

  2. Article 1.Scope and definitions

  3. Article 2.Products, parts and appliances certification

  4. Article 2a.Continued validity of type-certificates and related certificates of airworthiness

  5. Article 2b.Continued validity of supplemental type-certificates

  6. Article 2c.Continued operation of certain aircrafts registered by Member States

  7. Article 2d.Continued validity of parts and appliances certificates

  8. Article 2e.Permit to fly

  9. Article 3.Design organisations

  10. Article 4.Production organisations

  11. Article 5.Entry into force

  12. Signature

    1. ANNEX

      PART 21

      1. 21.1 General

      2. SECTION A TECHNICAL REQUIREMENTS

        1. SUBPART A — GENERAL PROVISIONS

          1. 21A.1 Scope

          2. 21A.2 Undertaking by another person than the applicant for, or holder...

          3. 21A.3 Failures, malfunctions and defects

          4. 21A.3B Airworthiness directives

          5. 21A.4 Coordination between design and production

        2. SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES

          1. 21A.11 Scope

          2. 21A.13 Eligibility

          3. 21A.14 Demonstration of capability

          4. 21A.15 Application

          5. 21A.16A Airworthiness codes

          6. 21A.16B Special conditions

          7. 21A.17 Type-certification basis

          8. 21A.18 Designation of applicable environmental protection requirements and certification specifications

          9. 21A.19 Changes requiring a new type-certificate

          10. 21A.20 Compliance with the type-certification basis and environmental protection requirements

          11. 21A.21 Issue of a type-certificate

          12. 21A.23 Issue of a restricted type-certificate

          13. 21A.31 Type design

          14. 21A.33 Investigation and tests

          15. 21A.35 Flight tests

          16. 21A.41 Type-certificate

          17. 21A.44 Obligations of the holder

          18. 21A.47 Transferability

          19. 21A.51 Duration and continued validity

          20. 21A.55 Record-keeping

          21. 21A.57 Manuals

          22. 21A.61 Instructions for continued airworthiness

        3. (SUBPART C — NOT APPLICABLE)

        4. SUBPART D — CHANGES TO TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES

          1. 21A.90 Scope

          2. 21A.91 Classification of changes in type design

          3. 21A.92 Eligibility

          4. 21A.93 Application

          5. 21A.95 Minor changes

          6. 21A.97 Major changes

          7. 21A.101 Designation of applicable certification specifications and environmental protection requirements

          8. 21A.103 Issue of approval

          9. 21A.105 Record-keeping

          10. 21A.107 Instructions for continued airworthiness

          11. 21A.109 Obligations and EPA marking

        5. SUBPART E — SUPPLEMENTAL TYPE-CERTIFICATES

          1. 21A.111 Scope

          2. 21A.112A Eligibility

          3. 21A.112B Demonstration of capability

          4. 21A.113 Application for a supplemental type-certificate

          5. 21A.114 Showing of compliance

          6. 21A.115 Issue of a supplemental type-certificate

          7. 21A.116 Transferability

          8. 21A.117 Changes to that part of a product covered by a...

          9. 21A.118A Obligations and EPA marking

          10. 21A.118B Duration and continued validity

          11. 21A.119 Manuals

          12. 21A.120 Instructions for continued airworthiness

        6. SUBPART F — PRODUCTION WITHOUT PRODUCTION ORGANISATION APPROVAL

          1. 21A.121 Scope

          2. 21A.122 Eligibility

          3. 21A.124 Application

          4. 21A.125A Issue of a letter of agreement

          5. 21A.125B Findings

          6. 21A.125C Duration and continued validity

          7. 21A.126 Production inspection system

          8. 21A.127 Tests: aircraft

          9. 21A.128 Tests: engines and propellers

          10. 21A.129 Obligations of the manufacturer

          11. 21A.130 Statement of conformity

        7. SUBPART G — PRODUCTION ORGANISATION APPROVAL

          1. 21A.131 Scope

          2. 21A.133 Eligibility

          3. 21A.134 Application

          4. 21A.135 Issue of production organisation approval

          5. 21A.139 Quality system

          6. 21A.143 Exposition

          7. 21A.145 Approval requirements

          8. 21A.147 Changes to the approved production organisation

          9. 21A.148 Changes of location

          10. 21A.149 Transferability

          11. 21A.151 Terms of approval

          12. 21A.153 Changes to the terms of approval

          13. 21A.157 Investigations

          14. 21A.158 Findings

          15. 21A.159 Duration and continued validity

          16. 21A.163 Privileges

          17. 21A.165 Obligations of the holder

        8. SUBPART H — CERTIFICATES OF AIRWORTHINESS AND RESTRICTED CERTIFICATES OF AIRWORTHINESS

          1. 21A.171 Scope

          2. 21A.172 Eligibility

          3. 21A.173 Classification

          4. 21A.174 Application

          5. 21A.175 Language

          6. 21A.177 Amendment or modification

          7. 21A.179 Transferability and reissuance within Member States

          8. 21A.180 Inspections

          9. 21A.181 Duration and continued validity

          10. 21A.182 Aircraft identification

          11. 21A.183 Issue of certificates of airworthiness

          12. 21A.184 Issue of restricted certificates of airworthiness

          13. 21A.185 Issue of permits to fly

        9. SUBPART I — NOISE CERTIFICATES

          1. 21A.201 Scope

          2. 21A.203 Eligibility

          3. 21A.204 Application

          4. 21A.205 Issue of noise certificates

          5. 21A.207 Amendment or modification

          6. 21A.209 Transferability and reissuance within Member States

          7. 21A.210 Inspections

          8. 21A.211 Duration and continued validity

        10. SUBPART J — DESIGN ORGANISATION APPROVAL

          1. 21A.231 Scope

          2. 21A.233 Eligibility

          3. 21A.234 Application

          4. 21A.235 Issue of design organisation approval

          5. 21A.239 Design assurance system

          6. 21A.243 Data

          7. 21A.245 Approval requirements

          8. 21A.247 Changes in design assurance system

          9. 21A.249 Transferability

          10. 21A.251 Terms of approval

          11. 21A.253 Changes to the terms of approval

          12. 21A.257 Investigations

          13. 21A.258 Findings

          14. 21A.259 Duration and continued validity

          15. 21A.263 Privileges

          16. 21A.265 Obligations of the holder

        11. SUBPART K — PARTS AND APPLIANCES

          1. 21A.301 Scope

          2. 21A.303 Compliance with applicable requirements

          3. 21A.305 Approval of parts and appliances

          4. 21A.307 Release of parts and appliances for installation

        12. (SUBPART L — NOT APPLICABLE)

        13. SUBPART M — REPAIRS

          1. 21A.431 Scope

          2. 21A.432A Eligibility

          3. 21A.432B Demonstration of capability

          4. 21A.433 Repair design

          5. 21A.435 Classification of repairs

          6. 21A.437 Issue of a repair design approval

          7. 21A.439 Production of repair parts

          8. 21A.441 Repair embodiment

          9. 21A.443 Limitations

          10. 21A.445 Unrepaired damage

          11. 21A.447 Record-keeping

          12. 21A.449 Instructions for continued airworthiness

          13. 21A.451 Obligations and EPA marking

        14. (SUBPART N — NOT APPLICABLE)

        15. SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS

          1. 21A.601 Scope

          2. 21A.602A Eligibility

          3. 21A.602B Demonstration of capability

          4. 21A.603 Application

          5. 21A.604 ETSO Authorisation for an auxiliary power unit (APU)

          6. 21A.605 Data requirements

          7. 21A.606 Issue of ETSO authorisation

          8. 21A.607 ETSO authorisation privileges

          9. 21A.608 Declaration of design and performance (DDP)

          10. 21A.609 Obligations of holders of ETSO authorisations

          11. 21A.610 Approval for deviation

          12. 21A.611 Design changes

          13. 21A.613 Record-keeping

          14. 21A.615 Inspection by the Agency

          15. 21A.619 Duration and continued validity

          16. 21A.621 Transferability

        16. SUBPART P — PERMIT TO FLY

          1. 21A.701 Scope

          2. 21A.703 Eligibility

          3. 21A.705 Competent Authority

          4. 21A.707 Application for permit to fly

            1. (a) . . . . . . . . . ....

            2. (b) Each application for a permit to fly shall include:

            3. (c) . . . . . . . . . ....

          5. 21A.708 Flight conditions

          6. 21A.709 Application for approval of flight conditions

            1. (a) Pursuant to 21A.707(c) and when the applicant has not been...

            2. (b) Each application for approval of the flight conditions shall include:...

          7. 21A.710 Approval of flight conditions

            1. (a) When approval of the flight conditions is related to the...

            2. (b) . . . . . . . . . ....

            3. (c) . . . . . . . . . ....

          8. 21A.711 Issue of a permit to fly

          9. 21A.713 Changes

            1. (a) . . . . . . . . . ....

            2. (b) . . . . . . . . . ....

          10. 21A.715 Language

          11. 21A.719 Transferability

            1. (a) . . . . . . . . . ....

            2. (b) . . . . . . . . . ....

          12. 21A.721 Inspections

          13. 21A.723 Duration and continued validity

            1. (a) A permit to fly shall be issued for a maximum...

            2. (b) . . . . . . . . . ....

            3. (c) . . . . . . . . . ....

          14. 21A.725 Renewal of permit to fly

          15. 21A.727 Obligations of the holder of a permit to fly

          16. 21A.729 Record-keeping

            1. (a) . . . . . . . . . ....

            2. (b) . . . . . . . . . ....

        17. SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES

          1. 21A.801 Identification of products

          2. 21A.803 Handling of identification data

          3. 21A.804 Identification of parts and appliances

          4. 21A.805 Identification of critical parts

          5. 21A.807 Identification of ETSO articles

      3. SECTION B PROCEDURES FOR COMPETENT AUTHORITIES

        1. SUBPART A — GENERAL PROVISIONS

          1. 21B.5 Scope

          2. 21B.20 Obligations of the competent authority

          3. 21B.25 Requirements for the organisation of the competent authority

          4. 21B.30 Documented procedures

          5. 21B.35 Changes in organisation and procedures

          6. 21B.40 Resolution of disputes

          7. 21B.45 Reporting/coordination

          8. 21B.55 Record-keeping

          9. 21B.60 Airworthiness directives

        2. SUBPART B — TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES

        3. (SUBPART C — NOT APPLICABLE)

        4. SUBPART D — CHANGES TO TYPE-CERTIFICATES AND RESTRICTED TYPE-CERTIFICATES

        5. SUBPART E — SUPPLEMENTAL TYPE-CERTIFICATES

        6. SUBPART F — PRODUCTION WITHOUT PRODUCTION ORGANISATION APPROVAL

          1. 21B.120 Investigation

          2. 21B.125 Findings

          3. 21B.130 Issue of letter of agreement

          4. 21B.135 Maintenance of the letter of agreement

          5. 21B.140 Amendment of a letter of agreement

          6. 21B.143 Notification of findings

          7. 21B.145 Limitation, suspension and revocation of a letter of agreement

          8. 21B.150 Record-keeping

        7. SUBPART G — PRODUCTION ORGANISATION APPROVAL

          1. 21B.220 Investigation

          2. 21B.225 Findings

          3. 21B.230 Issue of certificate

          4. 21B.235 Continued surveillance

          5. 21B.240 Amendment of a production organisation approval

          6. 21B.245 Suspension and revocation of a production organisation approval

          7. 21B.260 Record-keeping

        8. SUBPART H — CERTIFICATES OF AIRWORTHINESS AND RESTRICTED CERTIFICATES OF AIRWORTHINESS

          1. 21B.320 Investigation

          2. 21B.325 Issue of airworthiness certificates

          3. 21B.326 Certificate of airworthiness

          4. 21B.327 Restricted certificate of airworthiness

          5. 21B.330 Suspension and revocation of certificates of airworthiness and restricted certificates...

            1. (a) . . . . . . . . . ....

            2. (b) . . . . . . . . . ....

          6. 21B.345 Record-keeping

        9. SUBPART I — NOISE CERTIFICATES

          1. 21B.420 Investigation

          2. 21B.425 Issue of noise certificates

          3. 21B.430 Suspension and revocation of a noise certificate

          4. 21B.445 Record-keeping

        10. SUBPART J — DESIGN ORGANISATION APPROVAL

        11. SUBPART K — PARTS AND APPLIANCES

        12. (SUBPART L — NOT APPLICABLE)

        13. SUBPART M — REPAIRS

        14. (SUBPART N — NOT APPLICABLE)

        15. SUBPART O — EUROPEAN TECHNICAL STANDARD ORDER AUTHORISATIONS

        16. SUBPART P — PERMIT TO FLY

          1. 21B.520 Investigation

            1. (a) . . . . . . . . . ....

            2. (b) The Competent Authority shall prepare evaluation procedures covering at least...

          2. 21B.525 Issue of a permit to fly

          3. 21B.530 Revocation of permits to fly

            1. (a) . . . . . . . . . ....

            2. (b) . . . . . . . . . ....

          4. 21B.545 Record-keeping

            1. (a) . . . . . . . . . ....

            2. (b) The records shall at least contain:

            3. (c) . . . . . . . . . ....

        17. SUBPART Q — IDENTIFICATION OF PRODUCTS, PARTS AND APPLIANCES

  13. ATTACHMENTS

    1. Appendices