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
  
  NPRM 64-17, Airworthiness Standards: Normal, Utility, and Acrobatic Airplanes, provides a complete table of Civil Air Regulations (CAR) Part 3 correlated to 14 Code of Federal Regulations (CFR) Part 23.

Advisory Circulars (ACs)

• 23-15, Small Airplane Certification Compliance Program
• 23-16, Powerplant Guide for Certification of Part 23 Airplanes and Airships
• 23-17, Systems and Equipment Guide for Certification of Part 23 Airplanes and Airships
• 23-19, Airframe Guide for Certification of Part 23 Airplanes
• 23.1309-1, Equipment, Systems, and Installations in Part 23 Airplanes
  
  Quick Reference for Part 23 and Associated Advisory Circulars (AC) (PDF)

Guidance

• Comparison of Part 23 through Amdt. 23-62 and EASA CS-23, Amendment 23-3 (PDF)
• Significant Standard Differences (SSD) Pair Listings required by Order 8110.52 reference, paragraph 333.c(4)
• SSD List Part 23-57 to CS 23 No Rev (PDF)
• SSD List Part 23-58 to CS 23 No Rev (PDF)
• SSD List Part 23-59 to CS 23 No Rev (PDF)
• SSD List Part 23-59 to CS 23-2 (PDF)
• SSD List Part 23-61 to CS 23-2 (PDF)
• SSD List Part 23-62 to CS 23-3, Rev 3 (PDF)

Policy

• 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

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