AD 78-14-06

final rule
Data completeness: 70%

Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

AD Number
78-14-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Gulfstream Aerospace Corporation G-1159 Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes

Unsafe Condition

Cabin window pane failure and possible engine damage.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect and replace all outer cabin window panes in accordance with GAC Customer Bulletin 270A. Restrict airplane operations to a maximum cabin pressure differential of 8.0 psi and install a placard on the instrument panel. Incorporate G-1159 Airplane Flight Manual Interim Revision No. 19-5. Repeat inspections prior to each flight until all affected windows are replaced with full thickness panes or those with less than 600 landings.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Prior to the accumulation of 600 landings on any window, or within the next 10 landings after the effective date of this AD, whichever occurs later.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Gulfstream American Corporation (GAC) Model G-1159, serial numbers 1 through 229, and 775.

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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