Prior Aviation Service, Inc. is a full-service aviation company that offers fueling; ground handling for many scheduled airli ... nes that operate from the Buffalo/Niagara International Airport; and mechanical services from its FAA-approved repair station BIOR473C to airlines such as America, Continental, Delta, and other large aircraft operators. The maintenance department specializes in general aviation maintenance and corporate aircraft service to local and transient customers. Prior Aviation also offers comprehensive Part 141 flight training. The company has three Piper Warriors and one Diamond DA-40 XLS. For more information, please call us at 716.633.1000. read more