produce a combined total of 49 kilonewtons (11,000 pound-force) of thrust. An upgraded, "-28" engine is also on offer, increasing the thrust to . At a normal Take-Off Weight of , a Thrust-to-Weight ratio of 0.70 is achieved with the "-25", or 0.77 with the "-28" engines. This compares with 0.65 for the BAE Systems Hawk 128 and 0.49 for the Aero Vodochody L-159B. Maximum internal fuel capacity is . With two external combat fuel tanks the figure increases to . Maximum true airspeed is Mach 0.93 (572 knots), service ceiling is 12,500 metres (41,000 feet) and load factors are from −3 to +9 g. Typical Take-Off speed and distance in a "clean" configuration are and 550 m (1,800 ft), whilst landing figures are and , respectively. Cross wind limit is . The Yakovlev Yak-130 is equipped with the FBWS controlled engine intake blanking doors, in order to prevent the aircraft's engines from sustaining Foreign object damage when operating from unpaved runways and grass strips. The large canopies are sideways hinged. Combat training suite on the Yak-130 includes simulated and real firing systems with air-to-air and air-to-surface missiles, bomb dropping, gun firing and on-board self-protection systems. Orders and deliveries Firm orders Russia In 2005, the Russian Air Force passed its first order for 12 Yak-130s. The Russian Air Force intends to buy at least 72 Yak-130s, enough to equip four training regiments. Its Commander-in-Chief, Colonel General Aleksandr Zelin, announced on 8 November 2011 that the Russian Defence Ministry was to sign a contract within two weeks with Irkut Corporation for 65 additional aircraft – 55 firm orders plus 10 options. Zelin stated that deliveries were expected to be completed by 2017. The first serial aircraft was handed to a training center in Lipetsk on 19 February 2010. Once the 2005 contract for 12 Sokol plant-made Yak-130s for the Russian Defence Ministry was fulfilled in June 2011, a decision was made that all subsequent Yak-130 orders, both domestic and export ones, would be handled by the Irkutsk Aviation Plant of the Irkut Corporation. However, the Russian Air Force only took delivery of the first Yak-130 built by the Irkutsk plant in October 2012. In February 2014 Irkut Corporation revealed a contract with the Russian Ministry of Defense (MoD) to supply additional Yakovlev Yak-130 advanced jet trainers to the air force. According to Irkut president Oleg Demchenko, the company in December signed