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Title 14

Displaying title 14, up to date as of 7/13/2026. Title 14 was last amended 7/06/2026.
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Title 14Aeronautics and SpacePart / Section
Chapter IFederal Aviation Administration, Department of Transportation1 – 199
Subchapter CAircraft21 – 59
Part 21Certification Procedures for Products and Articles21.1 – 21.700
Special Federal Aviation Regulation No. 88
Fuel Tank System Fault Tolerance Evaluation Requirements
Subpart AGeneral21.1 – 21.9
Subpart BType Certificates21.11 – 21.55
Subpart CProvisional Type Certificates21.71 – 21.85
Subpart DChanges to Type Certificates21.91 – 21.101
Subpart ESupplemental Type Certificates21.111 – 21.120
Subpart FProduction Under Type Certificate21.121 – 21.130
Subpart GProduction Certificates21.131 – 21.150
Subpart HAirworthiness Certificates21.171 – 21.199
Subpart IProvisional Airworthiness Certificates21.211 – 21.225
Subpart J [Reserved]
Subpart KParts Manufacturer Approvals21.301 – 21.320
Subpart LExport Airworthiness Approvals21.321 – 21.335
Subpart M [Reserved]
Subpart NAcceptance of Aircraft Engines, Propellers, and Articles for Import21.500 – 21.502
§ 21.500Acceptance of aircraft engines and propellers.
§ 21.502Acceptance of articles.
Subpart OTechnical Standard Order Approvals21.601 – 21.621
Subpart PSpecial Federal Aviation Regulations21.700
§ 21.700SFAR No. 111—Lavatory Oxygen Systems.