The fuselage is narrow with tall tail fin which extends beyond the engine exhausts. Small rectangular air intakes are located on either side of the fuselage. Wings are swept along the leading edge and almost straight along the trailing edge.
Tail plane is swept.
Guns are located on the lower fuselage underneath the intakes. Landing gear is retractable. Main gear has two wheels on each side. British Aircraft Corporation Ltd. Turbomeca and Rolls-Royce designed the engine. After 18 months of development, first prototype flew in 1968.