Rotorsport UK Calidus, G-CGMD, 10 April 2013

From:
Air Accidents Investigation Branch
Published
10 December 2014
Category:
Sport aviation and balloons
Report type:
Bulletin - Correspondence investigation
Date of occurrence:
10 April 2013
Aircraft type:
Rotorsport UK Calidus
Location:
Wickenby Aerodrome, Lincolnshire
Registration:
G-CGMD

Rotorsport UK Calidus, G-CGMD

Summary:

Whilst attempting to take off the pilot applied aft control stick in order to raise the nosewheel. A ‘hammering’ vibration occurred and the aircraft veered to the left, off the runway, coming to rest on its side. It was concluded that the rotor rpm may have reduced as a result of the pilot not having held the stick fully aft during the takeoff roll; this may then have caused retreating blade stall.

Download report:

Rotorsport UK Calidus, G-CGMD 09-13.pdf (252.33 kb)

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Published 10 December 2014
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