AD 81-06-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Improper functioning of the landing gear system due to installation of landing gear selector valve part numbers 1159SCH216-3, which may interrupt retraction or extension.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the landing gear selector valve to determine its part number. If P/N 1159SCH216-3 is installed, install a placard with specified wording adjacent to the landing gear selector handle and add the FAA Approved Flight Manual Supplement No. GII-81-01. Before further flight, these actions must be completed. Additionally, within 60 landing gear operating cycles, replace P/N 1159SCH216-3 with P/N 1159SCH216-1 or -5, then remove the placard and supplement.
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Compliance Time
Within the next 10 hours time in service after the effective date of this AD for the inspection; before further flight for placard installation and manual update; within 60 landing gear operating cycles after effective date for valve replacement.
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Affected Aircraft
Gulfstream American Corporation Model G-1159, serial numbers 1 through 258, and 775, certificated in all categories.
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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