he Cozy Mark IV is a 4seat, single engine, homebuilt light aircraft designed by Nat Puffer, with parts and plans supplied by Aircraft Spruce & Specialty Co. The aircraft is built from plans using basic raw materials. It is not a kit aircraft, though many small parts are available prefabricated.
Engine type: Lycoming IO360
Cruise speed: 220 mph
Range: 1,151 mi
Wingspan: 28′ 0″
Top speed: 220 mph
Weight: 1,049 lbs
Length: 16.9′