The Bristol Beaufighter was designed as a two-seat long-range fighter. To speed up production many parts of the older Bristol Beaufort were used. The tail, landing gear and with airborne radar located in the nose for night-fighting. The Mk. IF was the initial production and fitted with four 20 mm cannons in the nose along with six 7.7 mm machine guns in the wings. There were a total of 553 of the IF version produced.