On 10 December 1969 Cessna announced it was introducing a new pressurised twin-engine aircraft known as the Model 414 and this aircraft combined the basic fuselage and tail unit of the Model 421 with the wing of the Model 401 fitted with two Continental TSIO-520-J turbo-supercharged engines driving three-blade constant-speed

TBM was established by the Aerospatiale General Aviation Division, Socata, and the US manufacturer Mooney, to produce a high-performance business aircraft.