What is l29 delfin?

L29 Delfin is a Czechoslovakian military jet trainer aircraft that was designed and produced by the aircraft manufacturer Aero Vodochody. It was introduced in 1961 and was produced until 1974. It was widely used by the Soviet Union and its allies as a basic training aircraft for military pilots. The L29 Delfin has a maximum speed of 850 km/h and can reach a maximum altitude of 11,000 meters. It is powered by a single turbojet engine and has a range of 1,000 km. The aircraft has a length of 11.59 meters and a wingspan of 10.29 meters. It is still in use by some countries for training purposes.