The Aero L-39 “Albatros” might be one of the most popular advance trainer/light ground attack aircraft of the world, with more than 2800 L-39s having served with over 30 air forces around the world for more than 40 years.The Albatros took the first flight on 4 November,1969. The L-39ZA/ZO/M are all based on the L-39C, the type M is the upgraded version of the L-39C made by Ukraine, who replaced the engine witrh to the Al-25TLSh. The L-39ZO is the developed version of the L-39C for the weapon training missions, they have one pair more pylon under the wing. The L-39ZA is the trainer/light ground attack aircraft of the Albator, employing sturdier landing gear, a higher payload (total 1,290 kg) and notably provision for a GSh-23L 23mm twin barreled cannon attached in a conformal pod under the pilots’ compartment, having a 150 round within the airframe.
