AD 86-02-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AEROSPACE Model 700 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AEROSPACE Model 700 Series Airplanes |
Unsafe Condition
Nose landing gear collapse as a result of a faulty hydraulic cut out valve (Part Number AIR 41916).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the aircraft hydraulic system cut out valve (Part Number AIR 41916) in accordance with Automotive Products Modification Standard SA 3490 dated December 16, 1959. Alternate means of compliance may be used if approved by the FAA.
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Compliance Time
Within the next 1000 hours time-in-service or nine months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount 744 and Viscount 745D models, 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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