AD 72-18-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D and 810 Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Model 744, 745D and 810 Airplanes |
Unsafe Condition
Control rods, electrical systems, and structure in the underfloor electrical system bay are vulnerable to fire and overheat damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace control rods with specified part numbers, replace electrical panel guard covers with glasscloth resin laminate or equivalent, and install protective surfaces/panels on floor panels as per the listed modifications.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 250 hours' time in service after the effective date of this AD
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Models Viscount 744, 745D, and 810 with nickel-cadmium batteries; Models Viscount 744, 745D, and 810 with lead acid batteries have compliance within 1500 hours' time in service.
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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