F.Mk IXc
Engine: Merlin 61, 63, 63A
Wing: C
Armament: 1
L.F.Mk IXc
Engine: Merlin 66
Wing: C
Armament: 1
H.F.Mk IXc
Engine: Merlin 70
Wing: C
Armament: 1
F.Mk IXe
Engine: Merlin 61, 63, 63A
Wing: E
Armament: 2
L.F.Mk IXe
Engine: Merlin 66
Wing: E
Armament: 2
H.F.Mk IXe
Engine: Merlin 70
Wing: E
Armament: 2
Notes: Although produced as a stop-gap while awaiting the Mk VIII, this was the most numerous mark. Late Mk IXs were given the cut-down rear fuselage and rear-view bubble canopy.
1 The C wing was armed with four 20mm Hispano MkII cannon per wing.
2 The E wing allowed two weapons configurations either two 20mm Hispano Mk II cannon with two .50 inch Browning machine guns per wing or four 20mm Hispano cannon per wing.