WASHINGTON, March 4 -- Federal Aviation Administration has issued a rule called: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders.

The rule was published in the Federal Register on March 4 by Steven W. Thompson, Acting Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service.

Summary: 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.

For more information, contact Fred Guerin, Aviation Safety Engin...