AD 70-02-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 744 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D, and 810 Series Airplanes |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; BRITISH AIRCRAFT CORPORATION Models 744, 745D, and 810 Series Airplanes |
Unsafe Condition
Failure of the electrical generation system could result in simultaneous failure of all generators and loss of emergency electrical power to critical equipment necessary for safe flight continuation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a bus-bar under the voltage warning light per specified modification leaflets; install PVC sheathing over generator equalizing lines; modify the electrical power distribution system to ensure emergency power supply to specified equipment.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 1000 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
Vickers-Armstrongs (Aircraft Limited) Viscount Models 744, 745D, and 810 series airplanes
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.