Serious incident to the MMB BK117 registered LN-OOS on 20/11/2021 at Kongsvikdalen

Preliminary data based on the notification from the Norwegian authorities:

Dual flameout. One engine flamed out in the air, the other on the ground.

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General information
Local date	20/11/2021
Responsible entity	Norway - AAIB
State or area of occurrence	Norway
Location	Kongsvikdalen
Human consequences	None
Aircraft consequences	Minor
Occurrence class	Serious incident
File number	BEA2021-0543

Flight Information
Aircraft category	Helicopter - Large helicopter
Operator	Norway - Norsk Luftambulanse As
Manufacturer / Model	MBB - BK117
Aircraft Registration	LN-OOS
State of registry	Norway
Last departure point	Norway (Harstad stangnes (ENHR))
Planned destination	Norway (Harstad stangnes (ENHR))
Flight phase	En route
Serial number	20039
Operator Type AG
Operation Type	Commercial Air Transport - Passenger - HEMS

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.