To achieve steadiness and Management, most mounted-wing sorts have an empennage comprising a fin and rudder which act horizontally as well as a tailplane and elevator which act vertically.??????? ???? ????????? ?? ??? ???? ????? ???? ????? ??????????? ? ????????? ????? ??????? ?? ???? ??? ?? ?? ? ??????????? ? ????????? ?? ?? ???. ?????? ????? ????