Airworthiness Directive
AD 2021-10-16: Engine/ Transmission Coupling
Airworthiness Directives; Carson Helicopters, Inc.; Croman Corporation; Sikorsky Aircraft Corporation; and Siller Helicopters
- Effective
- Jul 1, 2021
- Published
- May 27, 2021
- Registered aircraft
- 27
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
- Carson Helicopters INC SH-3H
- Croman Corp SH-3H
- Sikorsky CH3E
- Sikorsky S-61A
- Sikorsky S-61D
- Sikorsky S-61E
- Sikorsky S-61L
- Sikorsky S-61V
- Sikorsky SH-3A
- Sikorsky SH-3H
Applicability
From the AD textThis AD applies to all helicopters identified in paragraphs (c)(1) through (6) of this AD, certificated in any category including restricted. (1) Carson Helicopters, Inc., Model S-61L helicopters. (2) Carson Helicopters, Inc., Model SH-3H helicopters. (3) Croman Corporation Model SH-3H helicopters. (4) Sikorsky Aircraft Corporation Model S-61A, S-61D, S-61E, and S-61V helicopters. (5) Siller Helicopters Model CH-3E helicopters. (6) Siller Helicopters Model SH-3A helicopters.
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