Ikarus S-49
| Ikarus S-49 | |
|---|---|
 |
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| An Ikarus S-49C on display at the Museum of Aviation in Belgrade, Serbia | |
| Role | Fighter |
| Manufacturer | Ikarus Aircraft Factory |
| Designer | Kosta Sivčev, Svetozar Popović, Slobodan Zrnić |
| First flight | June 1949 |
| Introduction | 1950 |
| Retired | 1961 |
| Primary user | Yugoslav Air Force |
| Number built | 158 |
| Developed from | Rogožarski IK-3 |
The Ikarus S-49 was a Yugoslav single-seat, single-engine fighter aircraft built for the Yugoslav Air Force (Serbo-Croatian: Ratno vazduhoplovstvo i protivvazdušna obrana – RV i PVO) shortly after World War II. Following the Tito–Stalin Split in 1948, the RV i PVO was left with an aircraft inventory consisting of mostly Soviet aircraft. Unable to acquire new aircraft or spare parts for its existing fleet, the RV i PVO turned to its domestic aviation industry in order to create an indigenous design to fulfill the need for additional aircraft.
The result was the S-49A, designed by Kosta Sivčev, Svetozar Popović and Slobodan Zrnić, on the basis of the pre-war Rogožarski IK-3. The S-49A was surpassed by the improved S-49C, featuring an all-metal construction and a more powerful engine. A total of 45 S-49A and 113 S-49C were produced by the Ikarus Aircraft Factory in Zemun. The last aircraft were retired from RV i PVO service in 1960/61, having been replaced by more modern jet-powered aircraft.
After the Resolution of Informbiro in 1948 and the resulting breakup with the Soviet Union, Yugoslavia was forced to rely on its domestic military industry. The same constructors that built the Rogozarski IK-3 (designers Ljubomir Ilic, Kosta Sivcev, Slobodan Zrnic) before the war, engineers Kosta Sivcev, Slobodan Zrnic and Svetozar K. Popovic, used existing technical documentation of the IK-3 to construct a new fighter aircraft, the Ikarus S-49. The first prototype of the S-49A flew in June 1949. The first operational aircraft were delivered to combat units at the beginning of 1950.
The S-49A was of mixed construction, with Soviet built VK-105 engines which were no longer available after 1948. Therefore, it was decided to produce a new version of the aircraft powered by the similar French Hispano-Suiza 12Z-17 engine. Because of the bigger and heavier engine, the new aircraft had to be of all-metal construction with a much longer nose. While the aircraft was mainly built by Ikarus, the wings and tail were built by the SOKO factory in Mostar. The armament remained the same as with the Ikarus S-49A and it consisted of one 20 mm Mauser MG-151/20 produced by Germany during World War II and two 12.7 mm Colt Browning machine guns. In addition, under wing racks for two 50 kg bombs or four 127 mm HVAR missiles were provided.
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