Antonov An-28
The Antonov An-28 ( NATO reporting name: " Cash" ) is a system developed in the Soviet Union passenger aircraft. It arose from the Antonov An - 14th Major differences are the use of propeller turbines and the larger car. The machine possesses STOL characteristics.
The system, designed as a strutted high wing aircraft is powered by two turboprop engines. The rudder is in two parts and is at the end of the tailplane. The tricycle landing gear is not retractable. The main landing gear wheels are doing to small stub wings. The machine is completely made of metal. The cabin does not have a pressure ventilation.
From the An- 14 was already in existence a prototype turbo-propeller. This was further developed and as the flight tests were completed in 1972. The manufacturing preparations for the actual prototype began in 1973. In April, the prototype received the intended also for the series 716 kW payable engines Gluschenko TWD - 10th Series production was awarded to PZL Mielec, where the second prototype was completed in the summer of 1978.
Series production began in Poland with a first order for 15 machines. Until 1 January 1991 163 machines were ordered. It was in this year also attempts an American engine, to use the Pratt & Whitney PT6A65B. This variant is called An-28 PT and launched in the spring of 1993 for its maiden flight. As PZL M-28 Skytruck the machines are manufactured in small quantities.
An extended version of the An-28 was developed as an Antonov An -38.