The Fisher FP-404 is a Canadian single-seat, conventional landing gear, single-engined biplane kit aircraft designed for construction by amateur builders. Fisher Flying Products was originally based in Edgeley, North Dakota, USA but the company is now located in Woodbridge, Ontario, Canada.
Fisher FP-404
The Rotax 503 is a 37 kW (50 hp), inline 2-cylinder, two-stroke aircraft engine, built by BRP-Rotax GmbH & Co. KG of Austria for use in ultralight aircraft.
Rotax 503
A Rotax 503 mounted on a Flightstar II ultralight
The prototype Blue Yonder Twin Engine EZ Flyer is powered by two 503s in pusher configuration
Air Creation Racer ultralight trike with Rotax 503 mounted up-right. Below the muffler is the smaller after-muffler.