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Small Airplanes

Regulations, Policies & Guidance

Title 14 Code of Federal Regulations (14 CFR)

  • Part 21, Certification Procedures for Products, Articles, and Parts
  • Part 23, Airworthiness Standards: Normal, Utility, Acrobatic, and Commuter Category Airplanes
  • Part 34, Fuel Venting and Exhaust Emission Requirements for Turbine Engine Powered Airplanes
  • Part 36, Noise Standards: Aircraft Type and Airworthiness Certification
  • Part 43, Maintenance, Preventive Maintenance, Rebuilding, and Alteration


  • PS-ACE100-2001-006, Static Strength Substantiation of Composite Airplane Structure
  • PS-ACE100-2001-004, Guidance for Reviewing Certification Plans to Address Human Factors for Certification of Part 23 Small Airplanes

Advisory Circulars (ACs)

Industry Standards


Small Airplanes Issues List (SAIL)

Civil Aviation Authority of China (CAAC)

European Aviation Safety Agency (EASA)

National Agency for Civil Aviation in Brazil (ANAC)

United Kingdom Civil Aviation Authority (UK CAA)

  • The above EASA Significant Standards Differences (SSD) lists also applies for the UK CAA, if the product is using the EASA CS regulations. If an amendment pairing using the EASA lists is not shown here for your project, the Small Airplane Standards Branch will need to evaluate and develop a new SSD list. ��If the product is using the English BCARs, contact the Small Airplane Standards Branch before applying for validation.
  • At this time the Special Emphasis Items (SEI) list is not available for UK products/approvals seeking FAA Validation. Before application, contact the Small Airplane Standards Branch to determine if the SEI list developed for EASA can be used or if a new SEI list must be developed.

Technical Standard Orders (TSO)

  • TSO-C22, Safety Belts
  • TSO-C39, 9g Transport Airplane Seats Certified by Static Testing
  • TSO-C114, Torso Restraint Systems
  • TSO-C127, Rotorcraft, Transport Airplane, and Normal and Utility Airplane Seating Systems

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