Cessna 150 University of North Dakota UNDCessna 150 airplane model. The Cessna 150, a two seat tricycle gear airplane, was designed for general aviation purposes including flight training, touring, and personal use. It was replaced in production by the Cessna 152 in 1977, which was a slight modification of the original design. Scale: 1 24. Wingspan 19 inches, Length 13 inches