There were less participants in this quiz but more good answers. Avia doesn't seem to hard for you.
Piaggio P.180 Avanti - Italian nine-place short range business plane
Gulfstream American Peregrine 600 - US military trainer. It has side-by side cockpit. First flight took place in may 1981. Project was cancelled after crash in 1983.
Lohner DD Type AA "Spuckerl" (10.20) - Austrian fighter biplane with two Schwarzlose machine guns. During test it display directional instability. Later reconstructed to type 10.20A and destructed in crash 6th June 1917.
Avia 51 - Czechoslovakian plane for 6 passengers. It has been constructed by Ing . Nebesář. Three prototypes were built. Flight test start in 8th October 1933. Sold in 1936 to Spanish Republican Air Force.
© Kamil Pankuch 2004-2007
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