# AD 67-07-05: Propeller Gust Lock

- Type: Airworthiness directive
- Status: Current
- Products: Kelowna Flightcraft R & D 240 Series, 340 and 440 with STC SA1054WE or SA1096WE
- Effective: February 25, 1967
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-353
- Registered aircraft: 12 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FBCD6FA806612717862569B200731C7B.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/67-07-05

## The airworthiness directive

67-07-05 GENERAL DYNAMICS: Amdt. 39-353 Part 39 Federal Register February 25, 1967. Applies to General Dynamics Model 240 Airplanes Equipped with Rolls Royce Mk 542-4 Engines and Dowty Rotol (c)R245/4-40-4.5/13 Propellers in Accordance with General Dynamics Supplemental Type Certificate SA1054WE (hereinafter referred to as the CV-600), and General Dynamics Model 340 and 440 Airplanes Equipped with Rolls Royce MK542-4 Engines and Dowty Rotol (c)R245/4-40-4.5/13 or Dowty Rotol (c)R259/4-40-4.5/17 Propellers in Accordance with General Dynamics Supplemental Type Certificate SA1096WE (hereinafter referred to as the CV-640).

Compliance required within 50 hours' time in service after the effective date of this AD unless already accomplished.

To prevent unwanted withdrawal of the propeller flight fine pitch stops, de-activate the propeller-gust lock interlock system (P/N 2D3120907-1) on CV-600 and CV-640 airplanes in accordance with the following:

  (a) CV-600

  (1) Disconnect the gust lock switches from the propeller control circuit in accordance with the instruction outlined in General Dynamics Alert Service Bulletin 600 (240D) S.B. No. A61-5 or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.

  (2) Concurrently, with the modification described in (a) (1), incorporate an FAA approved revision to the Normal Procedures Section of the FAA approved Model 600- (240D) Airplane Flight Manual (General Dynamics Report CS-65-021) which deletes all reference to the gust lock handle control of the propeller flight fine pitch stops.

  (b) CV-640

  (1) Disconnect the gust lock switches from the propeller control circuit in accordance with the instructions outlined in General Dynamics Alert Service Bulletin 640 (340D) S.B. No. A61-4 or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.

  (2) Concurrently with the modification described in (b) (1), incorporate an FAA approved revision to the Normal Procedures Section of the FAA approved Model 640- (340D) Airplane Flight Manual (General Dynamics Report CS-65-024) which deletes all reference to the gust lock handle control of the propeller flight fine pitch stops.

This directive effective February 25, 1967.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 6A6](https://openairdocs.org/tcds/6A6): Kelowna Flightcraft R & D Ltd.; names 2 of 6 models: 340, 440
- [TCDS A-793](https://openairdocs.org/tcds/A-793): Kelowna Flightcraft R & D Ltd.; names 1 of 1 models: 240 Series

## 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: 12 (12 by airframe model, 0 by engine model)
- Makers: Convair 12

Models with the most aircraft:

- [Convair 340](https://openairdocs.org/model/convair-340): 7 aircraft (airframe model)
- [Convair 440](https://openairdocs.org/model/convair-440): 5 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/67-07-05/models.md
Every aircraft: https://openairdocs.org/ad/67-07-05/aircraft.md

## Related documents

- [STC SA1054WE](https://openairdocs.org/stc/SA1054WE): Installation of Rolls-Royce model Dart 542-4 engines with Dowty Rotol R245/4-40-4.5/13 propellers and associated modifications to engine mounting, nacelle, empennage, accessories, systems and equipment.. Executive Jet Aircraft Co. LTD. c/o Southeast Aero Tek Inc., Named in the applicability
- [STC SA1096WE](https://openairdocs.org/stc/SA1096WE): Rolls Royce Dart 542-4 engines with Dowty Rotol (c) R245/4-40-4.5/13 or (c) R259/4-40-4.5/17 propellers and associated modifications.. Kelowna Flightcraft Ltd, Named in the applicability

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