Part 1

Definitions and Abbreviations

Part 23

Normal

Part 21

Certifications Procedures Products and Parts

Part 3

General Requirements

Part 25

Transport Category

Part 27

Rotorcraft Category

Part 39

Airworthiness Directive

Part 43

Maintenance

Part 65

Airmen and Crewmembers

Part 91

Inspections

Part 138

Administrator

APP: A

Major Alterations Repairs and Preventive Maintenance

APP: B

Recording of Major Repairs

APP: C

[Reserved]

APP: D

Annual and 100-Hour Inspections

APP: E

Altimeter System

APP: F

ACT Transponder