The first production example of the Yak-9 series, simply designated the Yak-9 had a Klimov M-105 Engine that was capable of propelling it at speeds of up to 534 km/h. It also had an armament that consisted of a single 20mm autocannon and one 12.7mm machine guns. This model was also capable of equipping up to 200 kilograms worth of bombs. Becoming operational in 1942, it was first sent into combat during the Battle of Stalingrad.