The new Yakovlev Yak-130 trainer aircraft for the Russian Air Force (RuAF) has completed testing and will soon be inducted into the fleet. The single-engine propeller plane is used for the first stage, involving basic pilot training for cadets. The aircraft, however, still flies with a German-made engine, for which the Russians are developing a domestic alternative. It is unclear how many units of the German engines Russia acquired and if all the Yak-130s produced so far use the same power plant. Several reports suggested that Russian industry is working on a homegrown piston engine.