15000 kg Max. The fuselage is round with large canopy. Tail fin is wide. Nacelles with engines have rectangular air intakes in front and circular exhausts in the rear, and are located underneath the wings on the fuselage. High-set wings are wide and slightly swept.
Tail plane is housed on top of the tail fin.
Short landing gear retracts in the fuselage. First prototype flew in 1963. The aircraft went in production in 1965. Trainer version was called Sk 60, while the military version remained SAAB 105. Some of the aircraft were exported to Austria.