SAAB Sk 60 - overview of versions:
SAAB 105 - prototype twin-engine trainer jet, 2 pcs
Sk 60A - serial trainer variant for Sweden; 149 pcs
Sk 60B - conversion to allow weapons training; approx. 45
Sk 60C - training, light combat and reconnaissance variant, Fairchild KB-18 panoramic camera in the nose; 1 piece and 28 conversions
Sk 60D - four-seat liaison variant, 10 conversions
Sk 60E - four-seat variant for training reserve military pilots in flying civilian machines
Sk 60(W) - an unofficial designation for about 115 SK 60A/B/C, which received Williams FJ44 engines in the 1990s
SAAB 105C - design of a five-seater "bizjet" based on the 105
SAAB 105XT - prototype of export trainer and light combat variant, J85 engines; conversion of 2nd prototype
SAAB 105XH - design of export variant for Switzerland with built-in Aden cannons, auxiliary tanks on wing tips, new avionics including Doppler altimeter and laser rangefinder and braking parachute
SAAB 105Ö - variant of the prototype XT for Austria, 40 units
SAAB 105G - demonstrator with increased payload capacity and four "wet" hangers, new avionics and laser rangefinder in the nose; 105XT conversion