- Effective
- August 13, 1966
- Published
- August 13, 1966
- Models
- D.H. 104 Dove Series 1A, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5A, D.H. 104 Dove Series 5BA, D.H. 104 Dove Series 6A, D.H. 104 Dove Series 6BA and 4 more
- Data sheet
- TCDSA-807
- Registered aircraft
- 3 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-273
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.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 21 KB | 174bc8f8…4066055 | FAA DRS (API key needed) |
On this page
The airworthiness directive
66-20-02 HAWKER SIDDELEY: Amdt. 39-273, Part 39, Federal Register August 13, 1966. Applies to de Havilland Model 104 Dove Series Airplanes Equipped With an Engine Fire Extinguisher System.
Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished.
(a) Inspect the engine air intake fire extinguishing system nozzle assembly to determine that 0.25 inch diameter radial holes are present in nozzle jet, P/N P.117. Replace each nozzle jet without 0.25 inch diameter radial holes with jet, P/N P.117e, with 0.25 inch diameter radial holes.
(b) Inspect the engine fire extinguishing system to determine that proper fire extinguisher bottle and flexible hoses from the fire extinguisher bottle to the firewall and from the firewall to the distributor are installed in accordance with Hawker Siddeley Aviation Ltd. Technical News Sheet CT (104) No. 196, Issue 1, or later ARB-approved issue or an FAA- approved equivalent. Replace improper fire extinguisher bottles and flexible hoses.
Hawker Siddeley Aviation Limited Technical News Sheet Dove (104) Series CT (104) No. 195, Issue 1, pertains to this subject.)
This directive effective August 13, 1966.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 3
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.