AD Amdt-39-10180
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft LTD Models PC-6/B1-H2 | Airworthiness Directives; Pilatus Aircraft LTD Models PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, and PC-12 Airplanes |
Unsafe Condition
Improper utilization of propeller beta during flight leading to power levers positioned below the flight idle stop, which can cause loss of airplane control or engine overspeed with consequent loss of engine power.
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Required Actions
Amend the Limitations Section of the airplane flight manual or pilot's operating handbook to prohibit positioning power levers below the flight idle stop during flight. Include a statement of consequences if the limitation is not followed.
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Compliance Time
Before further flight
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Affected Aircraft
Pilatus Aircraft LTD Models PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, and all PC-12 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
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