Beriev Be-10

The Beriev Be-10, also known as Izdelye M, (NATO reporting name: Mallow) was a twin engined, turbojet powered, flying-boat, patrol bomber built by the Soviet Union from 1955. The Be-10 is sometimes referred to as the M-10, though this designation is believed to apply only to the modified Be-10 that established 12 FAI world records in 1961, Bort no. 40 Yellow, still holding class records for speed and altitude.
Design and development
The Be-10 was designed in response to Council of Ministers of the Soviet Union directive No.2622-1105ss which called for a turbojet powered flying boat for open-sea reconnaissance, bombing, torpedo attack and mine-laying. Stipulated performance was to include a maximum speed of 950 to 1,000 km/h (590 to 621 mph) and the ability to operate in wave heights of 1.5 m (5 ft) at wind speeds up to 20 m/s (45 mph) with submission for state acceptance trials in November 1955.
OKB-49, under the leadership...