John W.R. Jane's All The World's Aircraft 1976-77. London: Jane's Yearbooks, 1976, . Wheeler, Barry C. "World Air Forces 1974". Flight International, Vol. 106, No. 3414. August 15, 1974. pp. 167–190. External links SuperCub.Org - Super Cub Enthusiast Group with information and many photos High-wing aircraft Single-engined tractor aircraft 1940s United States civil utility aircraft Super Cub Glider tugs Aircraft first flown in 1949