AAIB investigation to Westland Scout AH1, G-BYRX

Control restriction, Ruddington, Nottinghamshire, 29 December 2015

From:
Air Accidents Investigation Branch
Published
9 February 2017
Category:
Commercial - rotorcraft
Report type:
Bulletin - Field investigation
Date of occurrence:
29 December 2015
Aircraft type:
Westland Scout AH1
Location:
Near Barn Farm, Ruddington, Nottinghamshire
Registration:
G-BYRX

Summary:

While hover taxiing for takeoff, the pilot reported that the helicopter suddenly pitched nose-up and as he was unable to regain control he lowered the collective allowing the aircraft to descend to the ground where it rolled onto its side. The investigation was unable to establish the reason for the loss of control, but it is possible that there was a restriction in one of the flying control servo-jack control valves leading to higher control forces required to control the helicopter in the hover.

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Westland Scout AH1, G-BYRX 02-17

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Published 9 February 2017
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