 Twenty @-@ two pilots were hired along with a total staff of 70 , and services started on 1 September 1990 . In June 1991 , Braathens Helikopter signed a three @-@ year agreement with <unk> for flights from Stavanger to <unk> . The contract had an option for a two @-@ year extension . The revenue was between NOK 100 and 200 million , depending on the length of the contract and the capacity needed . Operations started in February 1992 , and involved the company purchasing another two Super <unk> . On 10 September , Braathens Helikopter was awarded the contract with British Petroleum for flights from Stavanger to <unk> and <unk> . The contract gave a revenue of up to NOK 300 million in the course five years . Operations started on 1 November 1992 , and involved about 2 @,@ 000 hours of flying per year . With this contract , Braathens Helikopter had about a 30 % market share . Braathens purchased one more Super Puma as a consequence of the contract . After operations started , the company had grown to 120 employees and was the second @-@ largest helicopter operator in the country . 
