Tailplane is swept along the leading edge. Landing gear with nose wheel is retractable. First F-89 prototype flew on August 16, 1948. F-89H and J remained in service until 1958, the last airplanes serving with US Army Reserve and US National Guard. The fuselage is narrow with a tall tail fin and a pointed nose.
Tailplane is also delta-shaped with tapered tips.
Landing gear with nose wheel is retractable. 300 F-5A were built by 1985. Never intended for US, F-20 was from the start designed as an export aircraft. 22.2 kN of thrust each Max. 12475 kg Max.