Winner Aviation is a multiservice organization serving private, corporate and commercial aviation. It offers service and repair of systems, including communication, navigation, transponder and radar systems; bench testing and repairs; and two-year instrument flight rules certification. The company s avionics services include air data computer upgrades; avionics functional checks; testing and repair of flight information and phone systems; and cockpit refinishing and voice recorder installations. It is an authorized factory service center for Raytheon, Twin Commander, Mitsubishi, Honeywell and Cessna aircrafts. The company has a well-stocked inventory of spare parts and offers charter services as well. Winner Aviation provides Prop Club, both a functional and visible deterrent to unauthorized aircraft operation, which is designed to lock onto the base of most constant speed propellers. It is located in Vienna, Ohio.