14 Code of Federal Regulations (CFR)

• 14 CFR Parts Applicable to Engines & Propellers
• Change Product Rule

Advisory Circulars (AC)

• ACs for Part 33, Airworthiness Standards: Aircraft Engines
• ACs for Part 34, Fuel Venting and Exhaust Emissions for Turbine Engine Powered Airplanes
• 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 34, Fuel Venting and Exhaust Emissions for Turbine Engine Powered Airplanes
• Policy memos for Part 35, Airworthiness Standards: Propellers

Technical Standard Orders (TSO)

• C77b, Gas Turbine Auxiliary Power Units