Accident to the helicopter AS350 registered HB-ZGV on 07/27/2016 at Montreux [Investigation led by AAIB / Switzerland]

Preliminary data based on the notification from the Swiss authorities:

Lors d’un vol d’inspection de lignes à haute tension, l’hélicoptère est entré en collision avec un câble de fibre optique et l’a sectionné. L’appareil s’est posé sur un terrain avoisinant sans causer d’autres dommages.

Translation below provided for information only:

During a flight to inspect high-voltage power cables, the helicopter collided with a fibre-optic cable and cut through it. The helicopter landed on a nearby field without causing any other damage.

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General information
Local date	27/07/2016
Responsible entity	Switzerland - AAIB
State or area of occurrence	Switzerland
Location	Montreux
Human consequences	None
Aircraft consequences	Unknown
Occurrence class	Accident
File number	BEA2016-0450

Flight Information
Aircraft category	Helicopter - Small helicopter
Operator	Switzerland (Swift Copters SA)
Manufacturer / Model	AEROSPATIALE - AS350
Aircraft Registration	HB-ZGV
State of registry	Switzerland
Last departure point	Switzerland - LSGS (SIR): Sion
Planned destination	Switzerland - LSGS (SIR): Sion
Flight phase	Manoeuvring
Serial number	3426
Operator Type AG
Operation Type	Specialised Operations (Aerial Work) - Aerial Survey

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.