 Widerøe introduced the de Havilland Canada Dash 7 on the route from Tromsø Airport to Hammerfest in 1983, the same year as Norving started flights from Hammerfest to Hasvik Airport.The Hasvik roue was taken over by Widerøe in 1990.Helikopter Service established a helicopter base at Hammerfest Airport in 1989 to serve the offshore petroleum industry which was searching for oil in the Barents Sea.