Airworthiness Directive 90-02-05

one-time
AD 90-02-05 · 1990-01-01 · airframe

Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes

Which aircraft AD 90-02-05 applies to

ModelsG-II (G-1159), G-III (G-1159A), G-IIB (G-1159B), G-IV

Effective February 13, 1990 (amendment 39-6472, docket 89-NM-177-AD); applies to G-II/G-III/G-IIB/G-IV series airplanes.

Whether AD 90-02-05 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 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 90-02-05 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.