Following the steep increase of oil prices in 1973 , Braathens SAFE increased the ticket prices with about 30 % , giving for the first year a reduction in the number of travelers . The IT @-@ system Bracar was introduced on 4 February 1974 , connecting all locations with 53 terminals , rationalizing 20 man @-@ years . In 1974 , Annæus Schjødt jr. became chair , and the following year , the employees was represented with two board members . The remaining three F @-@ 27s was sold to the Braathens Rederi @-@ owned Busy Bee between 1975 and 1977 . From 1 January 1976 , Braathens SAFE introduced " Green Routes " , where passengers was granted 35 % discount if they traveled on Saturdays or Sunday morning , booked a round trip and was away for at least a full week or over a weekend . From 1972 to 1976 , the company 's revenue doubled , to NOK 500 million , while production increased 18 % . The main contributing factor was the increase of labor costs , that had almost doubled in the four years , although also higher fuel prices and taxes contributed . In 1976 , the airline transported 1 @,@ 154 @,@ 000 scheduled and 485 @,@ 000 chartered passengers . Braathens SAFE had a 37 % scheduled market share and 31 % share of the charter flights . The largest traffic increases was in Stavanger , Bergen and Trondheim . During the late 1970s , Braathens SAFE increased the number of direct flights between these cities , without increasing the number of landings in Ålesund and Kristiansand . From 1 April 1977 , the airline lost its dispensation to operate with reduced cabin crew , and was forced to increase the number on the F @-@ 28 from one to two , and on the 737 from two to three . At the same time , the airline introduced in @-@ flight meals .