Airworthiness Directive 79-11-05 R1

one-time
AD 79-11-05 R1 · 1979-01-01 · airframe

Airworthiness Directives; Mooney M-18L, M-18C, M-18LA, and M-18C55

Which aircraft AD 79-11-05 R1 applies to

MakesMooney
ModelsM-18L, M-18C, M-18LA, M-18C55, M-18
Serial-conditional — narrows to serials 2–?, 201–?.

MOONEY: Amendment 39-3480 as amended by Amendment 39-4050. Applies to Mooney M-18L S/N's 2 and up, M-18C S/N's 201 and up, and M-18LA (serial range cut off in source); M-18C55 also named in subject heading. Amendment 39-3480 effective June 5, 1979; this amendment (39-4050) effective April 1, 1981. Footer tag: Mooney Mite.

Whether AD 79-11-05 R1 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 complianceThe specific action taken (inspected, replaced, modified) and to what revision.
DateWhen the work was done.
Aircraft timeTotal time in service / tach at compliance — how recurring next-due is computed.
Signature & certificateThe A&P/IA who returned it to service, with certificate number.
Is AD 79-11-05 R1 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.