AD 99-06-17

final rule
Data completeness: 70%

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

AD Number
99-06-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-CE-03-AD
FR Citation
Federal Register: May 11, 1999 (Volume 64, Number 90)

Applicability

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

Unsafe Condition

Damage to electrical components because incorrectly connected cables or broken or damaged wires cause excessive voltages to the second generator, which could result in loss of electrical power during any phase of flight.

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

Required Actions

Install a support bracket and a cut-out relay for the second generator control unit, and make all necessary wiring additions and adjustments. Use Pilatus Service Bulletin No. 24-009 for instructions. Special flight permits may be obtained to operate to a location where AD requirements can be met.

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

Compliance Time

Within the next 50 hours time-in-service after the effective date (June 16, 1999).

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 with manufacturer serial numbers 101 through 180.

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

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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