14 Code of Federal Regulations (CFR)

Advisory Circulars

  • ACs for Part 33, Aircraft Engines
  • ACs for Part 35, Airworthiness Standards: Propellers
  • Additional AC guidance under Parts 20, 23, 25, and 43
  • 20-66, Propeller Vibration and Fatigue
  • 23-16, Powerplant Guide for Certification of Part 23 Airplanes and Airships
  • 25.905-1, Minimizing the Hazards from Propeller Blade and Hub Failures
  • 33-2, General Type Certification Guidelines for Turbine Engines
  • 43-9, Maintenance Records
  • 43-12, Preventive Maintenance
  • 43.13-1, Acceptable Methods, Techniques, and Practices – Aircraft Inspection and Repair

Order

  • 8110.42, Parts Manufacturer Approval Procedures

Policy

  • Policy memos for Part 33, Airworthiness Standards: Aircraft Engines
  • Policy memos for Part 35, Airworthiness Standards: Propellers

Technical Standard Orders

  • C77b, Gas Turbine Auxiliary Power Units

Type Validation