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Airworthiness Directive 78-05-06

one-time
AD 78-05-06 · 1978-01-01 · airframe

Airworthiness Directives; 207, 210, 310, 320, 340, 401, 402, 411, 414, 421; Israel Aircraft (including Aero Commander/Rockwell International) 1121 and 1123;

Which aircraft AD 78-05-06 applies to

MakesCessna Aircraft CompanyIsrael Aircraft Industries Ltd. (Aero Commander/Rockwell International)Piper Aircraft Inc.Rockwell InternationalTwin Commander Aircraft Llc
Models180, 182, 185, 188, 206, 207, 210, 310, 320, 340, 401, 402, 411, 414, 421, 1121, 1123, 1124, PA-25, PA-31, 500, 500-A, 500-B

Multi-manufacturer AD effective June 30, 1978; extracted model list truncated for Twin Commander/Rockwell portion.

Whether AD 78-05-06 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:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 78-05-06 complied with on your aircraft?

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.

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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.