Airworthiness Directive · Sierra Hotel Aero, Inc. Airplanes
Sierra Hotel Aero, Inc. Airplanes
This AD applies to Sierra Hotel Aero, Inc. Navion (Army L-17A), Navion A (Army L-17B and L-17C).
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.
