Sukhoi Su-37 the code "711 Blue", later changed to "711 White". Following ground checks at the Gromov Flight Research Institute, the aircraft made its maiden flight on 2 April 1996 from Zhukovsky Airfield outside Moscow, piloted by Yevgeni Frolov. The nozzles were fixed during the first five flights. Due to the lack of funding from the Russian Air Force, Sukhoi was compelled to finance the project with its own funds; according to Simonov, the company channelled revenue from the exports of the Su-27s to China and Vietnam towards the project. The aircraft was publicly unveiled at Zhukovsky later in the year, and
Sukhoi Su-30MKK Mach 0.9, and this problem was completely solved on Su-30MKK by adopting new measures. According to the Sukhoi Design Bureau, Su-30MKK is the first of the Flanker family to achieve it after Su-35 / 37 (Flanker-E/F) and Sukhoi Su-30MKI. Higher percentage of composite material is used for Su-30MKK in comparison to the original Su-30MK. In addition, new aluminum alloy were used to replace the old type used on Su-30MK for weight reduction. The twin rudders mainly made of carbon fiber composite material were larger on Su-30MKK in comparison to that of the original Su-30MK, but contrary to what was once