Tjomsland & Wilsberg (1995): 133 Domestically, Braathens first used a fleet of Herons, which were replaced with the Fokker F27 from 1958.
Tjomsland & Wilsberg (1995): 363--364 Two aircraft were involved in hull-loss accidents. For Norwegian routes, Braathens first used a fleet of Herons, which were replaced with the Fokker F27 from 1958.