Airworthiness Directive 90-02-05
one-timeAirworthiness 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
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:
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.
Look up a tail number →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.