AD 87-24-07 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin Commander Aircraft LLC | 690 | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 690A | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 690B | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 690C | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 690D | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 695 | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 695A | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
| aircraft | Twin Commander Aircraft LLC | 695B | Airworthiness Directives; Gulfstream Model 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B Series Airplanes |
Unsafe Condition
Engine flameout when in or departing an icing environment due to inadequate ignition system duty cycle or POH/AFM procedures.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the airplane POH/AFM by inserting specified Gulfstream revisions or Appendix 1 of this AD. Install a placard prohibiting flight into known icing if ignition system duty cycle is less than 1 hour, unless modified per Gulfstream Service Information. Use approved automatic relight ignition systems to avoid requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours' time-in-service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Gulfstream Models 690, 690A, 690B, 690C, 690D, 695, 695A, and 695B (all serial numbers)
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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