The Cessna 401 are series of 6 to 10 seat, light twin, piston engine aircraft. This line was manufactured by Cessna from 1966 to 1985 under the name Utiliner.
All seats are easily removable so that the aircraft can be used in an all-cargo configuration. The Cessna 401 is not pressurized, nor were they particularly fast for the installed horsepower. Instead, Cessna intended them to be inexpensive to purchase and operate.