AD 67-07-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | Airworthiness Directives; GENERAL DYNAMICS Model 240 Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | Airworthiness Directives; GENERAL DYNAMICS Model 240 Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | Airworthiness Directives; GENERAL DYNAMICS Model 240 Airplanes |
Unsafe Condition
Unwanted withdrawal of the propeller flight fine pitch stops due to the propeller-gust lock interlock system (P/N 2D3120907-1).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Disconnect the gust lock switches from the propeller control circuit per manufacturer's service bulletin and revise the Airplane Flight Manual to remove references to gust lock handle control of the propeller flight fine pitch stops.
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Compliance Time
within 50 hours' time in service after the effective date of this AD unless already accomplished
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Affected Aircraft
General Dynamics Model 240, 340, and 440 airplanes equipped with Rolls Royce Mk 542-4 engines and specific Dowty Rotol propellers under Supplemental Type Certificates SA1054WE or SA1096WE.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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