AircraftDirectives
Aircraft model

Pilatus B4-PC11

Pilatus Aircraft Ltd.

Airworthiness Directives
1
Service Bulletins
0
Last live check
2026-08-171 of 1 re-verified
What this page is: a restatement of what the official Federal Register and manufacturer records show as of the date listed below each item. It is not a determination that any specific aircraft or engine is, or is not, in compliance. Under 14 CFR §91.403 and §91.417, the aircraft owner/operator is responsible for maintaining airworthiness and required records. Always verify against the official FAA and manufacturer sources linked below before making a maintenance or airworthiness decision.

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Airworthiness Directives

1 record
AD

2005-08-07

FR doc 05-7563 · 70 FR 20708

AD 2005-08-07Published 2005-04-21Effective 2005-06-02

Pilatus Aircraft Limited Models B4-PC11, B4-PC11A, and B4-PC11AF Sailplanes

Requires you to repetitively inspect the control-column support for cracks and, if any cracks are found, replace the control-column support with a new support.

Full official abstract

Airworthiness Directives; Pilatus Aircraft Limited Models B4-PC11, B4-PC11A, and B4-PC11AF Sailplanes

The FAA adopts a new airworthiness directive (AD) for all Pilatus Aircraft Limited (Pilatus) Models B4-PC11, B4-PC11A, and B4- PC11AF sailplanes. This AD requires you to repetitively inspect the control-column support for cracks and, if any cracks are found, replace the control-column support with a new support. This AD results from mandatory continuing airworthiness information (MCAI) issued by the airworthiness authority for Switzerland. We are issuing this AD to detect and correct cracks in the control-column support, which could result in failure of the support. This failure could lead to loss of the primary flight control system.

Source: Federal Register document 05-7563, retrieved 2026-08-17 · re-verified against the live Federal Register API 2026-08-17

View on Federal Register (opens in a new tab) Search DRS manually for AD 2005-08-07 (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Service Bulletins

0 records

No Service Bulletins in our index yet for this airframe. We only list SBs we have individually sourced from the manufacturer — we never invent one.

This page indexes 1 AD and 0 SBs from primary sources. The FAA may have issued additional directives for this airframe that are not yet included.

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