Airworthiness Directive
AD 2021-22-11: MD Helicopters Inc. (MDHI) Helicopters
Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters
- Effective
- Jan 10, 2022
- Published
- Dec 6, 2021
- Registered aircraft
- 131
Models this AD may apply to
AI-extracted — verify against originalMatched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.
Aircraft
- Md Helicopters INC 369D
- Md Helicopters INC 369E
- Md Helicopters INC 369F
- Md Helicopters INC 369FF
- Md Helicopters INC 369HE
- Md Helicopters INC 369HM
- Md Helicopters INC 369HS
- Md Helicopters INC 500N
- Md Helicopters INC 600N
- Only with: Pilot-to-copilot tail rotor torque tube P/N 369H7531-9, -11, or -13 installed.
- Only with: Pilot-to-copilot tail rotor torque tube P/N 369H7531-9, -11, or -13 installed.
Applicability
From the AD textThis AD applies to MD Helicopters Inc. (MDHI) Model 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters, certificated in any category, with pilot-to-copilot tail rotor torque tube (torque tube) part number 369H7531-9/-11/-13, installed.
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