The Gyro-Kopp-Ters Midnight Hawk is an American autogyro, designed by Bob and Arden Kopp and produced by their company, Gyro-Kopp-Ters of Lake City, Florida. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.
The Midnight Hawk features a single main rotor, a single-seat open cockpit with a windshield, tricycle landing gear with wheel pants and a four cylinder, air-cooled, four-stroke, 90 hp (67 kW) Subaru EA-82 automotive conversion engine in pusher configuration. The engine is available with a belt reduction drive or as a direct drive version.
The aircraft mounts a 25 ft (7.6 m) diameter Dragon Wings main rotor, with a chord of 7 in (17.8 cm). Standard equipment fitted includes a hydraulic pre-rotator. The propeller used is a three-bladed Powerfin composite, ground adjustable with a 5 ft (1.5 m) diameter. The aircraft has an empty weight of 510 lb (231 kg) and a gross weight of 810 lb (367 kg), giving a useful load of 300 lb (136 kg).
The company estimates the assembly time from the supplied kit as 60 hours.
By January 2013 two examples had been registered in the United States with the Federal Aviation Administration.