FAA · Airworthiness Directive
Airworthiness Directives; McDonnell Douglas Helicopter Systems (MDHS) Model 369E, 369FF, 500N, and 600N Helicopters
Applicability
Aircraft makes and models this AD applies to, sorted by US-registered fleet size.
Compliance instructions
The full AD text — required actions, compliance times, parts/serial numbers, and methods of compliance — is in the Federal Register publication. We do not paraphrase ADs because misreading the compliance instructions is a safety risk.