Airworthiness Directive
AD 2021-05-19: Tail Rotor Control System
Airworthiness Directives; Sikorsky Aircraft and Sikorsky Aircraft Corporation Helicopters
- Effective
- May 7, 2021
- Published
- Apr 2, 2021
- Registered aircraft
- 53
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
- Sikorsky S-61A
- Sikorsky S-61D
- Sikorsky S-61E
- Sikorsky S-61L
- Sikorsky S-61N
- Sikorsky S-61NM
- Sikorsky S-61R
- Sikorsky S-61R (CH-3E)
- Sikorsky S-61V
- Only with: Arm assembly part number S6140-62614-009 installed; certificated in any category including restricted.
- Only with: Arm assembly part number S6140-62614-009 installed; certificated in any category including restricted.
Applicability
From the AD textThis AD applies to Sikorsky Aircraft Model S-61L, S-61N, S-61NM, and S-61R helicopters and Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V helicopters, certificated in any category including restricted, with an arm assembly part number S6140-62614-009, installed.
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