Airworthiness Directive 77-16-10
one-timeAirworthiness Directives; these documents from the manufacturer may obtain copies upon request to the Director, Products and Service, Edo-Aire Mitchell, P.O
Which aircraft AD 77-16-10 applies to
Concerns a navigation systems appliance (avionics) made by Edo-Aire Mitchell / Mitchell Industries, Inc., Mineral Wells, TX. Specific model/part number of the navigation unit not captured in this excerpt. Amendment effective September 8, 1977.
Whether AD 77-16-10 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.