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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 apply for the UK CAA. If an amendment pairing is not shown here for your project, the Small Airplane Standards Branch will need to evaluate and develop a new SSD list.
  • At this time there are currently no Special Emphasis Items (SEI) applied to UK products/approvals seeking FAA Validation.

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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