Kolb Twinstar Mk 3 Extra, G-CDFA, 6 April 2007

• From: Air Accidents Investigation Branch
• Published: 10 December 2014

• Category: General aviation - fixed wing
• Report type: Bulletin - Correspondence investigation
• Date of occurrence: 6 April 2007
• Aircraft type: Kolb Twinstar Mk 3 Extra
• Location: Trough of Bowland, near Clitheroe, Lancashire
• Registration: G-CDFA

Kolb Twinstar Mk 3 Extra, G-CDFA

Summary:

The aircraft was in the cruise when the propeller detached. The pilot made a successful forced landing without further damage. Examination showed that the bolts securing the crankshaft extension fitting to the crankshaft had fractured in long-term high-cycle fatigue.

Download report:

Kolb Twinstar Mk 3 Extra, G-CDFA 09-07.pdf (267.67 kb)

Published 10 December 2014