 The F @-@ 28s had the largest <unk> problems , mostly due to the number of landings , which could count up to 16 per day . For instance , LN @-@ SUO flew 36 @,@ 000 hours with 76 @,@ 000 landings . The last flight was made on 16 December 1986 , and the aircraft sold for NOK 45 million each . Although the F @-@ 28 was taken out of service , some of the routes on the West Coast needed to be operated with smaller aircraft than the 737 . The company made an agreement to wet lease Busy Bee F @-@ 27s one some of the routes , while the most <unk> ones would be taken over by 737s . 
