# AD 64-13-01: Main Ground Assembly

- Type: Airworthiness directive
- Status: Current
- Products: de Havilland Aircraft Co., Ltd., The 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, D.H. 104 Dove Series 7A, D.H. 104 Dove Series 7AXC, D.H. 104 Dove Series 8A and D.H. 104 Dove Series 8AXC
- Effective: June 26, 1964
- Published: May 27, 1964
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/84EB045A308B47BD86256A34006D48B9.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/64-13-01

## The airworthiness directive

64-13-01 de HAVILLAND: Amdt. 739, Part 507, Federal Register May 27, 1964. Applies to All Model 104 "Dove" Aircraft.

Compliance required as indicated.

To prevent overheating of the electric cables in the cockpit and fuselage nose areas caused by a high resistance ground at the main ground post, accomplish either (a) or (b) as follows:

  (a) If the main ground (earth) has not been removed and inspected within 12 months prior to January 8, 1964, accomplish the provisions of paragraph (c) within the next 200 hours' time in service after the effective date of this AD unless already accomplished.

  (b) If the main ground (earth) has been removed and inspected within the 12 months prior to January 8, 1964, accomplish the provisions of paragraph (c) within the next 300 hours' time in service after the effective date of this AD unless already accomplished.

  (c) Dismantle, clean, inspect, and reassemble the main ground (earth) assembly in the forward fuselage in accordance with the method described in Hawker Siddeley Aviation, de Havilland Division, T.N.S. CT (104) No. 186, or an equivalent method approved by the Chief, Aircraft Certification Division, Europe, Africa, and Middle East.

This directive effective June 26, 1964.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-807](https://openairdocs.org/tcds/A-807): Acro Aeronautical Services Ltd; names 10 of 10 models: D.H. 104 Dove Series 8A, D.H. 104 Dove Series 7A, D.H. 104 Dove Series 1A, D.H. 104 Dove Series 5A, D.H. 104 Dove Series 7AXC, D.H. 104 Dove Series 8AXC, D.H. 104 Dove Series 2A, D.H. 104 Dove Series 5BA…

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 3 (3 by airframe model, 0 by engine model)
- Makers: Dehavilland 3

Models with the most aircraft:

- [Dehavilland DH104 DOVE 6A](https://openairdocs.org/model/dehavilland-dh104-dove-6a): 3 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/64-13-01/models.md
Every aircraft: https://openairdocs.org/ad/64-13-01/aircraft.md

Its text cites no advisory circulars or STCs.

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