# AD 59-24-01: Propeller Warning Lights

- Type: Airworthiness directive
- Status: Current
- Products: Vickers-Armstrongs Viscount 810
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/93F65E87065F34258625699A00653D12.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/59-24-01

## The airworthiness directive

59-24-01 VICKERS: Applies to all Viscount Model 810 Series Aircraft.

Compliance required by December 31, 1959.

In order to preclude the possibility of excessive glare affecting the pilots, the following modifications are required.

  (a) The propeller below low stop warning lamps which are located on the fire control panels should be covered by filtered lamp cowls Vickers P/N 81536.287.

  (b) Replace the existing lamp cowl Vickers P/N 74536-745, which is installed at the propeller low stop removed warning lights, with an improved lamp cowl Vickers P/N 75436-265.

The British Air Registration Board considers this mandatory.

(Vickers-Armstrongs Modification Bulletins Nos. FG-1559 and G-1668 cover this subject.)

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-814](https://openairdocs.org/tcds/A-814): Vickers-Armstrongs (Aircraft Limited); names 1 of 3 models: Viscount 810

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

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