AD 2000-11-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes |
Unsafe Condition
Failure to activate airframe pneumatic deicing boots in icing conditions can lead to reduced controllability due to adverse aerodynamic effects of ice adhering to the airplane prior to the first deicing cycle.
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Required Actions
Revise the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. Ensure flightcrews activate the boots at the first signs of ice accumulation.
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Compliance Time
Before further flight
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Affected Aircraft
Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 equipped with pneumatic deicing boots.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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