Bartini-Beriev-VVA-14. Only 2 ever made.The aircraft's first flight was held on 4 September 1972. At that time, the prototype would not yet be equipped with a pontoon for water landing. The addition of the pontoon allowed the VVA-14 to land in the sea. In addition, aircraft can efficiently hover along the surface of the water. The VVA-14 has two turbojet engines in addition to 12 turbofan engines. The aircraft logged a total of 103 flight hours over 107 times before the project was canceled following Bartini's death.