# AD 69-08-03: Power Plant Fire Extinguishant

- Type: Airworthiness directive
- Status: Current
- Products: Vickers-Armstrongs Viscount 744, Viscount 745D and Viscount 810
- Effective: May 11, 1969
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-747
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9401374B08E7FC90862569A40055B0D1.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/69-08-03

## The airworthiness directive

69-08-03 VICKERS: Amdt. 39-747. Applies to Viscount Models 744, 745D, and 810 Series airplanes.

Compliance required within the next 1000 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent discharge of power plant fire extinguishant into the wrong power plant due to incorrect assembly of power plant fire extinguisher bottles, install interference brackets and retaining cables to the detachable clip assemblies at the fire extinguishing bottle neck at the inner and outer nacelle mountings in accordance with British Aircraft Corporation Modification Bulletin D.3218 dated July 14, 1968 (700 Series) or Modification Bulletin FG.2094 dated July 14, 1968 (800/810 Series) or later ARB-approved issues or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.

This amendment becomes effective May 11, 1969.

## 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 3 of 3 models: Viscount 810, Viscount 744, Viscount 745D

## Registered aircraft it may apply to (OpenAirDocs)

No registered aircraft matched the models it names.

Its text cites no advisory circulars or STCs.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.