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Code of Federal Regulations (Last Updated: October 10, 2024) |
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Title 14 - Aeronautics and Space |
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Chapter I - Federal Aviation Administration, Department of Transportation |
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SubChapter C - Aircraft |
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Part 21 - Certification Procedures for Products and Articles |
| Subpart A - General |
| § 21.1 - Applicability and definitions. |
| § 21.2 - Falsification of applications, reports, or records. |
| § 21.3 - Reporting of failures, malfunctions, and defects. |
| § 21.4 - ETOPS reporting requirements. |
| § 21.5 - Airplane or Rotorcraft Flight Manual. |
| § 21.6 - Manufacture of new aircraft, aircraft engines, and propellers. |
| § 21.7 - Continued airworthiness and safety improvements for transport category airplanes. |
| § 21.8 - Approval of articles. |
| § 21.9 - Replacement and modification articles. |
| Subpart B - Type Certificates |
| § 21.11 - Applicability. |
| § 21.13 - Eligibility. |
| § 21.15 - Application for type certificate. |
| § 21.16 - Special conditions. |
| § 21.17 - Designation of applicable regulations. |
| § 21.19 - Changes requiring a new type certificate. |
| § 21.20 - Compliance with applicable requirements. |
| § 21.21 - Issue of type certificate: normal, utility, acrobatic, commuter, and transport category aircraft; manned free balloons; special classes of aircraft; aircraft engines; propellers. |
| § 21.23 - [Reserved] |
| § 21.24 - Issuance of type certificate: primary category aircraft. |
| § 21.25 - Issue of type certificate: Restricted category aircraft. |
| § 21.27 - Issue of type certificate: surplus aircraft of the Armed Forces. |
| § 21.29 - Issue of type certificate: import products. |
| § 21.31 - Type design. |
| § 21.33 - Inspection and tests. |
| § 21.35 - Flight tests. |
| § 21.37 - Flight test pilot. |
| § 21.39 - Flight test instrument calibration and correction report. |
| § 21.41 - Type certificate. |
| § 21.43 - Location of manufacturing facilities. |
| § 21.45 - Privileges. |
| § 21.47 - Transferability. |
| § 21.49 - Availability. |
| § 21.50 - Instructions for continued airworthiness and manufacturer's maintenance manuals having airworthiness limitations sections. |
| § 21.51 - Duration. |
| § 21.53 - Statement of conformity. |
| § 21.55 - Responsibilities of type certificate holders who license the type certificate. |
| Appendix B to Part 36 - Aircraft Noise Evaluation Under § 36.103 |
| Appendix C to Part 36 - Noise Levels for Transport Category and Turbojet Powered Airplanes Under § 36.201 |
| Appendix I to Part 36 - [Reserved] |
| Appendix J to Part 36 - Alternative Noise Certification Procedure for Helicopters Under Subpart H Having a Maximum Certificated Takeoff Weight of Not More Than 6,000 Pounds |
| Subpart C - Provisional Type Certificates |
| § 21.71 - Applicability. |
| § 21.73 - Eligibility. |
| § 21.75 - Application. |
| § 21.77 - Duration. |
| § 21.79 - Transferability. |
| § 21.81 - Requirements for issue and amendment of Class I provisional type certificates. |
| § 21.83 - Requirements for issue and amendment of Class II provisional type certificates. |
| § 21.85 - Provisional amendments to type certificates. |
| Subpart D - Changes to Type Certificates |
| § 21.91 - Applicability. |
| § 21.93 - Classification of changes in type design. |
| § 21.95 - Approval of minor changes in type design. |
| § 21.97 - Approval of major changes in type design. |
| § 21.99 - Required design changes. |
| § 21.101 - Designation of applicable regulations. |
| Subpart E - Supplemental Type Certificates |
| § 21.111 - Applicability. |
| § 21.113 - Requirement for supplemental type certificate. |
| § 21.115 - Applicable requirements. |
| § 21.117 - Issue of supplemental type certificates. |
| § 21.119 - Privileges. |
| § 21.120 - Responsibility of supplemental type certificate holders to provide written permission for alterations. |
| Subpart F - Production Under Type Certificate |
| § 21.121 - Applicability. |
| § 21.122 - Location of or change to manufacturing facilities. |
| § 21.123 - Production under type certificate. |
| § 21.125 - [Reserved] |
| § 21.127 - Tests: aircraft. |
| § 21.128 - Tests: aircraft engines. |
| § 21.129 - Tests: propellers. |
| § 21.130 - Statement of conformity. |
| Subpart G - Production Certificates |
| § 21.131 - Applicability. |
| § 21.132 - Eligibility. |
| § 21.133 - Application. |
| § 21.135 - Organization. |
| § 21.137 - Quality system. |
| § 21.138 - Quality manual. |
| § 21.139 - Location of or change to manufacturing facilities. |
| § 21.140 - Inspections and tests. |
| § 21.141 - Issuance. |
| § 21.142 - Production limitation record. |
| § 21.143 - Duration. |
| § 21.144 - Transferability. |
| § 21.145 - Privileges. |
| § 21.146 - Responsibility of holder. |
| § 21.147 - Amendment of production certificates. |
| § 21.149 - Multiple products. |
| § 21.150 - Changes in quality system. |
| § 21.151 - Production limitation record. |
| § 21.153 - Amendment of the production certificates. |
| § 21.155 - Transferability. |
| § 21.157 - Inspections and tests. |
| § 21.159 - Duration. |
| § 21.161 - Display. |
| § 21.163 - Privileges. |
| § 21.165 - Responsibility of holder. |
| Subpart H - Airworthiness Certificates |
| § 21.171 - Applicability. |
| § 21.173 - Eligibility. |
| § 21.175 - Airworthiness certificates: classification. |
| § 21.177 - Amendment or modification. |
| § 21.179 - Transferability. |
| § 21.181 - Duration. |
| § 21.182 - Aircraft identification. |
| § 21.183 - Issue of standard airworthiness certificates for normal, utility, acrobatic, commuter, and transport category aircraft; manned free balloons; and special classes of aircraft. |
| § 21.184 - Issue of special airworthiness certificates for primary category aircraft. |
| § 21.185 - Issue of airworthiness certificates for restricted category aircraft. |
| § 21.187 - Issue of multiple airworthiness certification. |
| § 21.189 - Issue of airworthiness certificate for limited category aircraft. |
| § 21.190 - Issue of a special airworthiness certificate for a light-sport category aircraft. |
| § 21.191 - Experimental certificates. |
| § 21.193 - Experimental certificates: general. |
| § 21.195 - Experimental certificates: Aircraft to be used for market surveys, sales demonstrations, and customer crew training. |
| § 21.197 - Special flight permits. |
| § 21.199 - Issue of special flight permits. |
| Subpart I - Provisional Airworthiness Certificates |
| § 21.211 - Applicability. |
| § 21.213 - Eligibility. |
| § 21.215 - Application. |
| § 21.217 - Duration. |
| § 21.219 - Transferability. |
| § 21.221 - Class I provisional airworthiness certificates. |
| § 21.223 - Class II provisional airworthiness certificates. |
| § 21.225 - Provisional airworthiness certificates corresponding with provisional amendments to type certificates. |
| Subpart J - XXX |
| § 21.231 - Applicability. |
| § 21.235 - Application. |
| § 21.239 - Eligibility. |
| § 21.243 - Duration. |
| § 21.245 - Maintenance of eligibility. |
| § 21.247 - Transferability. |
| § 21.249 - Inspections. |
| § 21.251 - Limits of applicability. |
| § 21.253 - Type certificates: application. |
| § 21.257 - Type certificates: issue. |
| § 21.261 - Equivalent safety provisions. |
| § 21.267 - Production certificates. |
| § 21.269 - Export airworthiness approvals. |
| § 21.271 - Airworthiness approval tags. |
| § 21.273 - Airworthiness certificates other than experimental. |
| § 21.275 - Experimental certificates. |
| § 21.277 - Data review and service experience. |
| § 21.289 - Major repairs, rebuilding and alteration. |
| § 21.293 - Current records. |
| Subpart K - Parts Manufacturer Approvals |
| § 21.301 - Applicability. |
| § 21.303 - Application. |
| § 21.305 - Organization. |
| § 21.307 - Quality system. |
| § 21.308 - Quality manual. |
| § 21.309 - Location of or change to manufacturing facilities. |
| § 21.310 - Inspections and tests. |
| § 21.311 - Issuance. |
| § 21.313 - Duration. |
| § 21.314 - Transferability. |
| § 21.316 - Responsibility of holder. |
| § 21.319 - Design changes. |
| § 21.320 - Changes in quality system. |
| Subpart L - Export Airworthiness Approvals |
| § 21.321 - Applicability. |
| § 21.323 - Eligibility. |
| § 21.325 - Export airworthiness approvals. |
| § 21.327 - Application. |
| § 21.329 - Issuance of export certificates of airworthiness. |
| § 21.331 - Issuance of export airworthiness approvals for aircraft engines, propellers, and articles. |
| § 21.333 - Issue of export airworthiness approval tags for Class III products. |
| § 21.335 - Responsibilities of exporters. |
| § 21.337 - Performance of inspections and overhauls. |
| § 21.339 - Special export airworthiness approval for aircraft. |
| Subpart M - XXX |
| § 21.431 - Applicability. |
| § 21.435 - Application. |
| § 21.439 - Eligibility. |
| § 21.441 - Procedure manual. |
| § 21.443 - Duration. |
| § 21.445 - Maintenance of eligibility. |
| § 21.447 - Transferability. |
| § 21.449 - Inspections. |
| § 21.451 - Limits of applicability. |
| § 21.461 - Equivalent safety provisions. |
| § 21.463 - Supplemental type certificates. |
| § 21.473 - Airworthiness certificates other than experimental. |
| § 21.475 - Experimental certificates. |
| § 21.477 - Data review and service experience. |
| § 21.493 - Current records. |
| Subpart N - Acceptance of Aircraft Engines, Propellers, and Articles for Import |
| § 21.500 - Acceptance of aircraft engines and propellers. |
| § 21.502 - Acceptance of articles. |
| Subpart O - Technical Standard Order Approvals |
| § 21.601 - Applicability and definitions. |
| § 21.603 - Application. |
| § 21.605 - Organization. |
| § 21.607 - Quality system. |
| § 21.608 - Quality manual. |
| § 21.609 - Location of or change to manufacturing facilities. |
| § 21.610 - Inspections and tests. |
| § 21.611 - Issuance. |
| § 21.613 - Duration. |
| § 21.614 - Transferability. |
| § 21.615 - FAA inspection. |
| § 21.616 - Responsibility of holder. |
| § 21.617 - Issue of letters of TSO design approval: import appliances. |
| § 21.618 - Approval for deviation. |
| § 21.619 - Design changes. |
| § 21.620 - Changes in quality system. |
| § 21.621 - Issue of letters of TSO design approval: Import articles. |
| Subpart P - Special Federal Aviation Regulations |
| § 21.700 - SFAR No. 111 - Lavatory Oxygen Systems. |
| Special Federal Aviation Regulation No. 118-1 - Relief for Certain Persons During the National Emergency Concerning the Novel Coronavirus Disease (COVID-19) Public Health Emergency |
| Special Federal Aviation Regulation No. 118-2 - Relief for Certain Persons During the National Emergency Concerning the Novel Coronavirus Disease (COVID-19) Public Health Emergency |
| SFAR No. 26 |
| Special Federal Aviation Regulation No. 41 |
| Special Federal Aviation Regulation No. 88 - Fuel Tank System Fault Tolerance Evaluation Requirements |
| Special Federal Aviation Regulation No. 118 - Relief for Certain Persons During the Coronavirus Disease 2019 (COVID-19) Outbreak |