AD 75-27-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D and 810 Airplanes |
Unsafe Condition
Failure of propeller feathering
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install an electrical back-up to the primary manual feathering system in accordance with BAC Bulletin-For-Modification No. FG.2122 (for Viscount Model 810) or D.3245 (for Models 744 and 745D), or an equivalent approved by the FAA.
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Compliance Time
within the next 300 hours' time in service after the effective date of this AD
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Models 744, 745D, and 810 airplanes certificated in all categories
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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