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Airworthiness Directive 79-23-07

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AD 79-23-07 · 1979-01-01 · airframe

Airworthiness Directives; This amendment is effective November 26, 1979 and was effective earlier, for all recipients of the airmail letter dated August 21,

Which aircraft AD 79-23-07 applies to

MakesScott'S-Bell 47, Inc.
Models47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47

Applies to Bell Model 47G and 47G-series helicopters; effective November 26, 1979 (was effective earlier for recipients of airmail letter dated August 21, 1979 containing this amendment). Subject of AD truncated in source text.

Whether AD 79-23-07 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 79-23-07 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.