From The Internet Movie Plane Database
The Cessna 421 Golden Eagle is an improved development of the earlier Cessna 411 light, twin-engine personal transport aircraft. The 421 was first produced in May 1967. The 421A appeared in 1968 and the aircraft was redesigned in 1970 and marketed as the 421B. In 1975 the 421C appeared which featured wet wings. Production ended in 1985 after 1901 had been delivered.
This page lists all films that feature a variation of the Cessna 421.