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Airworthiness Directive 73-11-05

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AD 73-11-05 · 1973-01-01 · airframe

Airworthiness Directives; the airmail letter dated April 27, 1973, which contained this amendment. FOOTER: Israel Aircraft Industries, Ltd. 1121 1121A 1121B

Which aircraft AD 73-11-05 applies to

MakesIsrael Aircraft Industries
Models1121, 1121A, 1121B

Amendment 39-1645, transmitted via airmail letter dated April 27, 1973; substantive applicability/requirement text beyond 'Applies' not captured in available extract.

Whether AD 73-11-05 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 73-11-05 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.