The world's largest single engine biplane, the 1000 hp radial engine and 60 foot wingspan allow short field take offs and landings. The first prototype flew on August 31, 1947, and the aircraft went in production in 1949. Over 5000 were built. The AN-2 Colt can be used in the following versions: cargo, cargo/passenger, agricultural, extinguishing forest fire, ambulance. The crew consists of two pilots and can accomodate eight passengers. The AN-2 is night capable but the cockpit is not adapted for NVG use. The biplane are rectangular-shaped with curved tips, with one high-mounted and one low-mounted (shorter), connected and braced by two struts. A single radial piston engine (some versions are turboprop) is mounted in the nose. The fuselage is Short and thick with solid, blunt nose, a stepped cockpit, and fixed landing gear. The tail fin is tapered with a large, round tip. The flats are low-mounted on the tail fin and rectangular-shaped with curved tips.