- Model
- Viscount 810
- Data sheet
- TCDSA-814
- Product
- Aircraft · Large airplane
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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The airworthiness directive
59-22-02 VICKERS: Applies to All Viscount 810 Series Aircraft Which Do Not Embody Modification FG.1447.
Compliance required as indicated.
Service experience has shown that a gap of less than 0.25 inch between the end of No. 3 flap and the aileron may, under certain flight conditions, produce a condition where the flap could foul or contact the inboard end of the aileron (port and starboard wings). Within the next 500 flight-hours but not later than December 15, 1959, inspect for adequate clearance between the outboard end of the No. 3 flap at the No. 4 flap beam unit and the inboard end of the aileron on both the right and left sides. This inspection must also be carried out whenever a flap or an aileron is installed. Where the gap is found to be less than 0.25 inch the outboard end of the No. 3 flap must be modified to provide proper clearance.
(Vickers-Armstrongs PTL No. 80 (800/810 Series) and Modification FG.1447 cover the same subject.)
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.