# AD 73-14-05: Autopilot Disconnect Button

- Type: Airworthiness directive
- Status: Current
- Products: Gulfstream Aerospace G-1159
- Effective: July 12, 1973
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-1681
- Registered aircraft: 14 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B9D484B1132781F1862569B500715581.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/73-14-05

## The airworthiness directive

73-14-05 GRUMMAN AMERICAN AVIATION: Amendment 39-1681. Applies to Grumman Model G-1159 airplanes S/N 1 through 107 and 775, certificated in all categories.

Compliance required within the next 100 hours time in service after the effective date of the AD, unless already accomplished. To prevent degradation of aircraft control due to inability of the pilot to reach the autopilot disconnect button in the event of a malfunction, relocate the autopilot disconnect button P/N W103MB3W, in accordance with Grumman Aircraft Service Change No. 80 or in an equivalent position approved by the Chief, Engineering and Manufacturing Branch, FAA Southern Region.

This amendment becomes effective July 12, 1973.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A12EA](https://openairdocs.org/tcds/A12EA): Gulfstream Aerospace Corporation; names 1 of 7 models: G-1159

## 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: 14 (14 by airframe model, 0 by engine model)
- Makers: Grumman 8, Grumman American Avn. 4, Gulfstream American 2

Models with the most aircraft:

- [Grumman G-1159](https://openairdocs.org/model/grumman-g-1159): 8 aircraft (airframe model)
- [Grumman American Avn. G-1159](https://openairdocs.org/model/grumman-american-avn-g-1159): 4 aircraft (airframe model)
- [Gulfstream American G-1159](https://openairdocs.org/model/gulfstream-american-g-1159): 2 aircraft (airframe model)

All 3 models: https://openairdocs.org/ad/73-14-05/models.md
Every aircraft: https://openairdocs.org/ad/73-14-05/aircraft.md

Its text cites no advisory circulars or STCs.

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