Sukhoi T-49 Sukhoi T-49 The Sukhoi T-49 was a prototype Soviet fighter aircraft. The Sukhoi T-49 is a modernized version of the Sukhoi Su-11 with new radar and modified armament. The project was officially launched on August 6, 1957, the maiden flight of the T-49 prototype took place, after various rolling tests in October 1959, in January 1960. In the development of the T-49, the delta wing, the tail and the cigar-shaped hull were taken over by the Su-11. A key differentiator to the predecessor model is the extended nose of the aircraft to accommodate the more powerful radar. Since this was
Sukhoi Su-27 by the Japan Ministry of Defense. Russia denied the incursion, saying the jets were making routine flights near the disputed Kuril Islands. In another encounter, on 23 April 2014 an Su-27 nearly collided with a United States Air Force Boeing RC-135U over the Sea of Okhotsk. Russia plans to replace the Su-27 and the Mikoyan MiG-29 eventually with the Sukhoi Su-57 stealth fifth-generation multi-role twin-engine fighter. A squadron of Su-27SM3s was deployed to Syria in November 2015 as part of the Russian military intervention in the Syrian Civil War. Ethiopian Su-27s reportedly shot down two Eritrean MiG-29s and damaged another