The Hawker Demon was a fighter variant of the Hart light bomber.
Hart Two Seat Fighter
Two-seat fighter version of the Hart for the RAF.
Later redesignated as the Hart Fighter.
Two-seat fighter aircraft for the RAF.
Australian Demon I
Two-seat fighter aircraft for the RAAF, similar to RAF version but fitted with a 600 hp (447 kW) Rolls Royce Kestrel V engine; 54 built (the first 18 delivered as general-purpose fighters in 1935 and an additional 36 for army co-operation duties delivered in 1936).
Australian Demon II
Two-seat training version for the RAAF, standard Demon fitted with dual controls and provision for target towing, 10 built.
Two-seat fighter version, fitted with a Frazer-Nash gun turret in the rear cockpit.