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The Avia 51 was a 1930s
;
* Spanish Republican Air Force
Czechoslovakia
, rue, Чеськословеньско, , yi, טשעכאסלאוואקיי,
, common_name = Czechoslovakia
, life_span = 1918–19391945–1992
, p1 = Austria-Hungary
, image_p1 ...
n six-passenger commercial transport, designed by Robert Nebesář and built by Avia. The type was uneconomical in use and only three were built.
Development
The Avia 51 was a three-engined high-wing cantilevermonoplane
A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple planes.
A monoplane has inherently the highest efficiency and lowest drag of any wing con ...
designed for the Czech national airlines CLS. It was built with a duraluminium monocoque fuselage and a fixed tailwheel landing gear
Conventional landing gear, or tailwheel-type landing gear, is an aircraft Landing gear, undercarriage consisting of two main wheels forward of the Center of gravity of an aircraft, center of gravity and a small wheel or skid to support the tail ...
. Powered by three Avia Rk.12 radial engines, two were fitted into the leading edges of the wing and one was nose-mounted. It had a two-man flight deck and an enclosed luxury cabin for five or six passengers which was not large enough to stand up (5 ft 1in), but did have a separate lavatory compartment, it also had three luggage and mail compartments.
Operational history
The Avia 51 entered service on the Berlin-Prague-Vienna route, but with only a small passenger capacity it proved uneconomical to operate. In 1937 the aircraft were sold to the Estonian government One appeared operating for the Spanish Republican Air Force in the Spanish Civil War, and it was reported that the other two were lost at sea when the freighter carrying them to Bilbao was sunk.Operators
;
* Spanish Republican Air Force
Specifications
See also
References
Notes
Bibliography
* {{AVIA aircraft 1930s Czechoslovakian airliners Trimotors 51 High-wing aircraft Aircraft first flown in 1933