On 21 June 1985 , the 737 @-@ 200 LN @-@ SUG Harald Gille , with 121 passengers en route from Trondheim to Oslo , was hijacked by the 24 @-@ year @-@ old Stein Arvid Huseby . He had threatened a flight attendant with an air gun . He demanded to talk to Prime Minister Kåre Willoch and Minister of Justice Mona Røkke and a press conference to make a political statement . His demands was not met , and he surrendered while the plane was parked in Oslo . This was the first hijacking in Norway .