14 CFR Part 27
AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT
July 13, 2020
Subpart
C
Strength Requirements
Subpart
A
General
Subpart
B
Flight
Subpart
D
Design and Construction
Subpart
Appendix
A
Instructions for Continued Airworthiness
Appendix
B
Airworthiness Criteria for Helicopter Instrument Flight
Appendix
C
Criteria for Category A
Appendix
D
HIRF Environments and Equipment HIRF Test Levels
Subpart
E
Powerplant
Subpart
F
Equipment
Subpart
G
Operating Limitations and Information
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