Widerøe Flight 710 , commonly known as the Torghatten Accident ( ) , was a controlled Control flight into terrain into the mountain of Torghatten in Brønnøy , Norway .

Flight 710 was the second of four Widerøe accidents between 1982 and 1993 , all of which revealed Reveal_secret shortcomings in the airline 's operations and internal control Control .