Airworthiness Directive · Amendment 39-9 · Boeing Defense & Space Group, Heli-Crane Corporation, Marrs Joe G., Risley Lester W., Wright Kevin Helicopters
Boeing Defense & Space Group, Heli-Crane Corporation, Marrs Joe G., Risley Lester W., Wright Kevin Helicopters
This AD applies to Boeing Defense & Space Group, Heli-Crane Corporation, Marrs Joe G., Risley Lester W., Wright Kevin 42A, 42B, H21A, H-21B.
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.
