AD Amdt-39-10438

final rule
Data completeness: 70%

Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes

AD Number
Amdt-39-10438
Status
final_rule
Effective Date
Product Category
propeller
Docket
Docket No. 97-CE-119-AD
FR Citation
63 FR 16678

Applicability

TypeManufacturerModelDetails
aircraft Pilatus Aircraft Ltd Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes

Unsafe Condition

Improper operation of the propeller de-icing controller caused by electromagnetic interference (EMI), which could result in ice build-up on the propeller with possible airplane controllability problems.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace certain propeller de-icing controllers with ones not susceptible to electromagnetic interference (EMI).

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

Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 airplanes subject to mandatory continuing airworthiness information (MCAI) from Switzerland.

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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