Whirlybirds.

Whirlybirds is a syndicated American drama/adventure television series, which aired for 111 episodes — broadcast from February 4, 1957, through January 18, 1960. It was produced by Desilu Studios . The show centered around Chuck Martin (Kenneth Tobey) and Pete (P.T.) Moore (Craig Hill), owners of 'Whirlybirds, Inc', who flew their helicopter (N975B) between Longwood Field and anywhere where they could be of help to someone in trouble.