Full amount of points (6) in 31st round of Quiz achieved four participants . Congratulations.
Average mark of difficulty according to your valuation was 3,71 (maximum 5 - very difficult).
HAIG L-15 Falcon - prototype of Chinese trainer jet plane. First flight March 13 2006. Prototype is powered by two Russian engines AI-255K-25F, serial planes will use Chinese WS-11 with thrust of 26,5 kN each with afterburning.
Excel-Jet Sport-Jet - 4-5 place tourist and business jet plane built by company Excel-Jet Inc., USA. Powered by one engine Williams FJ33-4A with thrust of 6,67 kN. First flight of prototype May 15 2006.
Letov Š-231 - Czechoslovak aircraft developed in 1931 from type Š-31. In competition for fighter aircraft for Ministerstvo národnej obrany Československa (National Defence Ministry of Czechoslovakia) in 1932 was defeated by Avia B-534. 25 were built (including prototypes). In 1937 were sold to Republican Spain. 3 of them survived Civil war.
Aerogypt IV - two-engines four place tourist plane built by Egyptian Saleh Helmy in Britain in 1946. Damaged during landing in 1947 and cancelled.
© Kamil Pankuch 2004-2007
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