+ double _rudder_constant, _speed_constant, _hdg_constant, _limit ;
+ double _elevation_m, _elevation_ft;
+ double _missed_range, _tow_angle, _wait_count, _missed_count,_wp_range;
+ double _dt_count, _next_run;
+
+ FGAIWaypoint* prev; // the one behind you
+ FGAIWaypoint* curr; // the one ahead
+ FGAIWaypoint* next; // the next plus 1