sentences:  Clinton Aero had been formed to operate to several small cities in northern New York state, replacing service previously provided by Air North.Brockway Glass was also the owner of Crown Airways, an Allegheny Commuter airline headquartered at DuBois, Pennsylvania.The combination of Air North and Clinton Aero took place on October 1, 1984, and the new airline began operations as Brockway Air with the fleet receiving Brockway blue and tan liveries.