3) iii. Mi-40
Mil Mi-40 was a potential utility variant of the Mi-28 that was first suggested in 1983, announced in 1992, and flown for the first time at the Moscow Airshow in 1993. In the “Aerial Infantry Fighting Vehicle” category, it was planned to replace the Mil Mi-24 and Mi-8 assault helicopters. It has two Klimov TV3-117 turboshaft engines producing 1,863 kW each, a four-blade main rotor and four-blade Delta H tail rotor (both Mi-28), and retractable tricycle-type landing gear. It has a 3300 m ceiling, a maximum speed of 314 km/h, and a cruise speed of 260 km/h, and weighs roughly 11–12,000 kg.
Mi-40
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