DRG
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point 2.
I had in view of, that in game the icon of helicopter Ka-50 and Ka-52 incorrectly looks.
At these helicopters from above two screws (a propeller, the blade of a propeller - precisely I do not know as correctly it to tell on English), and on a tail of the helicopter of this screw (propeller) are not present.
Here links to schemes of helicopters and photos:
http://dias-dizign.fatal.ru/russian/ka-50.htm
http://personal.primorye.ru/ink1/pro/russian/ka-52.htm