?????? ???? ?? ????? ? ???? ??????? ???? ? ????? ?? ?? ???? ?????? ??????? ??????? ???????? ?? ?? ????? ??? ??????? ?? ???? ? ?????????? ???? ????? ??????? ?? ????? ???. ?? ??? ????? ?? ???? ????? ????? ????? ?? ?? ????? ? ????????? ????? ??????? ???? ????.?????? ????? ?????? ?? ????? ??? ?????? ??????? ? ?????? ????? ? ????? ?? ?????? ?? ????????

To realize balance and Manage, most preset-wing forms have an empennage comprising a fin and rudder which act horizontally along with a tailplane and elevator which act vertically.???? ????? ?? ???? ????? ???? ??? ???? ??? ????? ???????? ????? ?????? ??? ???? ???? ??? ????? ????? ??????? ?? ???? ???? ??? ????? ??? ????? ??? ?? ???? ????? ?????? ??