AD 70-03-02
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 fuselage pressure shell in the area under the dorsal fin structure due to corrosion and breakdown of the protective paint.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the fuselage skin under the dorsal fin for corrosion and paint breakdown through specified access panels and inspection holes. If corrosion is found, repair the area per approved manuals or remove the dorsal fin, repair the skin, reseal, repaint, and follow approved procedures. Discontinue inspections after all dorsal fin segments are removed and corrective actions completed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 90 days after the effective date of this airworthiness directive or within eight years after the date of manufacture, whichever occurs later, and thereafter at intervals not to exceed 12 months from the last inspection.
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.