AircraftDirectives
Airworthiness Directive

AD 2025-04-14 90 FR 11129

Federal Aviation Administration · 14 CFR part 39

FR document
2025-03442
Amendment
39-22972
Published
2025-03-04
Models covered
1
Last live check
2026-08-17

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AD

2025-04-14

FR doc 2025-03442 · 90 FR 11129

AD 2025-04-14Published 2025-03-04Effective 2025-04-08

Requires modifying the canopy locking mechanism.

Full official abstract

The FAA is adopting a new airworthiness directive (AD) for certain Schempp-Hirth Flugzeugbau GmbH Model Duo Discus and Duo Discus T gliders. This AD was prompted by reports of gliders' canopies opening during air tow. This AD requires modifying the canopy locking mechanism. The FAA is issuing this AD to address the unsafe condition on these products.

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Applies to 1 model in our index