Airworthiness Directive · Amendment 39-501 · Sikorsky Aircraft Corporation Helicopters
Sikorsky Aircraft Corporation Helicopters
This AD applies to Sikorsky Aircraft Corporation S-61A, S-61D, S-61E, S-61L, S-61N, S-61NM, S-61R, S-61V.
The models as the FAA's AD index lists them. The serial ranges, installed parts and exceptions are in the AD itself: read it at the FAA.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
