Serious incident to a Bell 429 on 02/01/2019 at Melksham [Investigation led by AAIB / United Kingdom]

Preliminary data based on the notification from the United Kingdom authorities:

Uncommanded yaw pedal input on ground on arrival

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General information
Local date	02/01/2019
Responsible entity	United Kingdom - AAIB
State or area of occurrence	United Kingdom
Location	HP Melksham
Human consequences	None
Aircraft consequences	None
Occurrence class	Serious incident
File number	BEA2019-0039

Flight Information
Aircraft category	Helicopter - Large helicopter
Operator	United Kingdom - Other (Wiltshire Air Ambulance)
Manufacturer / Model	BELL - 429
Aircraft Registration	G-WLTS
State of registry	United Kingdom
Last departure point	United Kingdom (Swindon, Wiltshire)
Planned destination	United Kingdom (Melksham heliport, Wiltshire)
Flight phase	Standing
Serial number	57191
Operator Type AG
Operation Type	Commercial Air Transport - Passenger - Air Ambulance

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.