AAIB investigation to Grob G102 Astir CS, G-CJSK

Aileron control disconnection in flight resulting in pilot abandoning the glider by parachute, Gibett Hill, Brentor, near Tavistock, Devon, 23 June 2021.

Summary:

皇冠体育app right aileron L鈥橦otellier control connection in the fuselage became disconnected in flight, causing the pilot to abandon the glider by parachute. 皇冠体育app control connection was equipped with a secondary Wedekind sleeve locking device, and the pilot had conducted a positive control check to his satisfaction prior to the accident flight. 皇冠体育app investigation demonstrated that it is possible to partially assemble this type of control connection such that the connection is not secure, despite appearing to be so during a positive control check. 皇冠体育app BGA has provided guidance to affected aircraft owners on how to inspect this type of control connection to ensure that it is secure, following glider assembly.

Bulletin Correction

A correction concerning this report was issued on 15 December 2021.

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Published 9 December 2021