Sukhoi/HAL FGFA yet to begin, the Russian side has expressed optimism that a test article will be ready for its maiden flight by 2009, one year after PAK FA scheduled maiden flight and induction into service by 2015. By February 2009, as per Sukhoi General Director Mikhail Pogosyan, India will initially get the same PAK FA fighter of Russia and the only difference will be the software. In 2010, a total of 500 aircraft were planned with options for further aircraft. Russian Air Force will have 200 single-seat and 50 twin-seat PAK FAs while Indian Air Force will get 166 single seated
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