AAIB investigation to Slingsby T.21B, WB 924

Slingsby T.21B (WB 924), mid-air collision with an unmanned aircraft, Dunstable Airfield, Bedfordshire, 7 October 2023

• From: Air Accidents Investigation Branch
• Published: 11 July 2024

• Category: Sport aviation and balloons
• Report type: Bulletin - Correspondence investigation
• Date of occurrence: 7 October 2023
• Aircraft type: Slingsby T.21B
• Location: Dunstable Airfield, Bedfordshire
• Registration: WB 924

During the approach, the glider was struck by a small, unmanned aircraft (UA) that from the memory card recovered from the UA showed that it was intentionally flown close to the glider. The glider sustained superficial damage to the surface of the wing.

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Slingsby T.21b, WB 924 07-24

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Glossary of abbreviations

Published 11 July 2024