AD Amdt-39-11279
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland | Inc | Airworthiness Directives; de Havilland Inc. Models DHC-6-1, DHC- 6-100, DHC-6-200, and DHC-6-300 Airplanes |
Unsafe Condition
Improper utilization of propeller beta during flight leading to power levers positioned aft of the flight idle stop, which can cause loss of airplane control or engine overspeed with consequent loss of engine power.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Amend the Limitations Section of the airplane flight manual (AFM) to prohibit positioning power levers aft of the flight idle stop during flight. Include a statement of consequences if the limitation is not followed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
de Havilland Inc. Models DHC-6-1, DHC-6-100, DHC-6-200, and DHC-6-300 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.