AD 98-21-27

final rule
Data completeness: 70%

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

AD Number
98-21-27
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-69-AD
FR Citation
Federal Register: October 16, 1998 (Volume 63, Number 200)

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

The passenger seat configuration does not fully meet current head injury criteria regulations, which could cause passenger injuries.

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

Required Actions

Within the next 100 hours time-in-service after the effective date, modify the passenger seats and seat rail covers in accordance with Pilatus Service Bulletin No. 25-006. As of the effective date, do not install seats and rail covers not modified per the service bulletin.

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

Compliance Time

Within the next 100 hours time-in-service after the effective date of this AD

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, manufacturer serial numbers (MSN) 101 through MSN 230, equipped with the 'corporate commuter cabin layout'.

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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