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Investigation of serious incident during approach to Bergen airport Flesland, Norway

On 20 January 2020 a Widerøe aircraft enroute from Kristiansund to Bergen flew into severe icing conditions. The crew changed the route westbound overhead the coastline as well as descended to a flight altitude where it was reported no icing. Gradually the ice disappeard, which affected the engines. The aircraft landed normally at Flesland.

Status of investigation

NSIA is nearing the final stage of the investigation. A close dialog has been established with the aircraft manufacturer (DHC) during the process. In addition, there has been a dialog with the Norwegian Meteorological institute and Avinor. The report will highlight issues regarding icing forecast, the use of weather radar and the aircraft’s tolerance when operating in icing conditions of the severity that were present of the day of the incident.

Latest update: 18.06.2021


Location Approach to Bergen airport Flesland, Norway (ENBR)
Occurrence date 20.01.2020
ICAO Location indicator ENBR
Aircraft DeHavilland DHC-8
Registration LN-WFO
Meteorological conditions IMC
County Vestland
Type of occurrence Serious incident
Type of operation Scheduled air transport
Category of operation Heavy, aeroplane (> 10 000kg)
Aircraft category Landplane, Multi-engine, Turboprop/turboshaft


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