AD Amdt-39-11548
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Twin | Commander | Airworthiness Directives; Twin Commander Aircraft Corporation 600 Series Airplanes |
Unsafe Condition
Reports of in-flight incidents and an accident in icing conditions where the airframe pneumatic deicing boots were not activated, leading to reduced controllability due to ice accumulation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual (AFM) to include requirements for activating the airframe pneumatic deicing boots.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not specified in the source.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Twin Commander Aircraft Corporation 600 series 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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