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BOK-1 ("SS")

Soviet Union · Interwar (1919–1938)

BOK-1 ("SS") — Fixed Wing
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The BOK-1, where "BOK" stands for Byuro Osobyh Konstrukcij meaning "Bureau of Special Designs", also known as "SS" — Stratosfernyj Samolyot meaning "Stratospheric Plane", was a 2-seat, single-engine, low-wing monoplane, designed as an experimental high-altitude aircraft to study the feasibility of performing flights at altitudes above 11,000 metres (36,000 ft). It was the first Soviet plane to implement a pressurized cabin.

Specifications

Category
Fixed Wing
Domain
Civil
Era
Interwar (1919–1938)
Country
Soviet Union
Status
Retired
Service Entry
1935
Produced
1
Engine
M-34 RNV
Thrust / Power
830 hp (619 kW)
Length (ft)
42
Wingspan (ft)
98
Empty Weight (lb)
7937
MTOW (lb)
10582
Endurance (hr)
4 hours
Service Ceiling (ft)
46260
Max Speed (mph)
162