 Soon there were four daily round trips to both cities, supplemented by charter trips operated by Penguin.Starting on 26 March 1984, Norsk Flytjeneste experienced competition on the routes from Sandefjord to Bergen and Stavanger, when Busy Bee, on contract with Braathens SAFE, started flights using 50-passenger Fokker F27s.However, they operated only one round trip, with the same aircraft serving Sandefjord–Stavanger–Haugesund–Bergen.