The Cessna 172 is the most common general aviation airplane in the world. It is an all-metal, single-engine piston, high-wing four-place monoplane. It has fixed-gear and is categorized as a non-high-performance aircraft. The current model is the 172R. The wingspan of the 172R is 36'1". Its fuel capacity is 56 gallons in two tanks, one in each wing. The takeoff weight is 2,450 pounds. Its maximum useful load is 837 pounds. The maximum speed of the 172R at sea level is 142 mph. The plane is powered by a 360 cubic inch gasoline engine that develops 160 horsepower. The climb rate of the 172R at sea level is 720 feet per minute.