AD 89-04-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-IV | Airworthiness Directives; GULFSTREAM Model G-IV Airplanes |
Unsafe Condition
Inadvertent pusher activation during rotation on takeoff.
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Required Actions
Revise the AFM Limitations Section to prohibit operations at airfields with a pressure altitude below sea level within 24 hours. Replace Sundstrand Stall Warning Computer part number 965-0041-034 with P/N 965-0041-036 within 14 days following Gulfstream Customer Alert Bulletin Number 4.
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Compliance Time
Within 24 hours after the effective date of this AD for AFM revision, and within 14 days after the effective date for replacing the Stall Warning Computer.
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Affected Aircraft
Gulfstream Model G-IV airplanes, serial numbers 1060 through 1088; and all G-IV airplanes, serial numbers 1000 through 1059 modified by Gulfstream Product Enhancement Program #16.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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