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The Bartini A-57 was an experimental Soviet bomber of the mid-1950s that was designed by Robert Ludvigovich Bartini to take off and land on water. The aircraft was never put into production. The A-57 was equipped with a lift jet (similar to VTOL aircraft today) facing
Bartini died on 6 December 1974, in Moscow, at the age of 77. He was buried at Vvedenskoye Cemetery with a grave featuring a monument with the inscription "In the land of the Soviets, he kept his oath to devote all life that the red planes flew faster than the black (ones)". Bartini had almost no contact with Italy since he had left in the 1920s.
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Bartini, in collaboration with the Beriev Design Bureau intended to develop the prototype VVA-14 in three phases. The VVA-14M1 was to be an aerodynamics and technology testbed , initially with rigid pontoons on the ends of the central wing section, and later with these replaced by inflatable pontoons.
Aeroflot issued a requirement for two transport aircraft types. Bartini began design work in October 1934 on an aircraft to meet the larger 10/12 passenger specification. Initially Bartini intended the Stal-7 to use a steel tube truss airframe, with fabric covering, but problems with complexity and the flexibility of the truss structure led Bartini to re-design the aircraft with a light-alloy ...
The Stal-8 was a fighter developed from the preceding Stal-6 experimental aircraft. The Curtiss Conqueror steam-cooled V-12 engine was replaced by an M-100A (licence-built Hispano-Suiza 12YBR), this also was closely cowled and defined the maximum sectional area of the fuselage, which transitioned smoothly from nose to tail except for the cockpit which was enlarged to improve the view of the pilot.