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 - Responsibility of type certificate holders to provide written licensing agreements.

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