The Antonov An-72 NATO reporting name “Coaler” manufactured by Antonov is a Soviet STOL light military transport aircraft later developed into the Antonov An-71. The Antonov An-72 has a STOL capabilities designed be used on unprepared surface and can takeoff on a 620 meter runways and land on a 420 meter runway. The most significant design feature of the An-72 is the use of the Coanda effect to improve STOL performance, which utilizes engine exhaust.
The Antonov (NATO reporting name Coaler) is a Soviet transport aircraft, developed by Antonov. It was designed as a STOL transport and intended as a replacement for the Antonov but variants have found success as commercial freighters.