AD 90-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-1159A | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-1159B | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
| aircraft | Gulfstream Aerospace Corporation | G-IV | Airworthiness Directives; GULFSTREAM Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B) and G-IV, Series Airplanes |
Unsafe Condition
Failure of the takeoff warning system to function properly during takeoff, which could result in an airplane taking off in an unsafe takeoff configuration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform an operational check of the takeoff warning system within 25 hours time-in-service after the effective date and repeat at intervals not exceeding 150 hours time-in-service. Repair the system prior to further flight if it does not function properly, in accordance with specified Gulfstream service documents.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 25 hours time-in-service after the effective date of this AD, and thereafter at intervals not to exceed 150 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Gulfstream Aerospace Corporation Model G-II (G-1159), G-III (G-1159A), G-IIB (G-1159B), and G-IV (Serial Numbers 1000 through 1092) series airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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