+
+ _x_offset = 0;
+ _y_offset = 0;
+ _z_offset = 0;
+
+ _pitch_offset = 0;
+ _roll_offset = 0;
+ _yaw_offset = 0;
+
+ userpos = SGGeod::fromDeg(0, 0);
+
+ pos = SGGeod::fromDeg(0, 0);
+ speed = 0;
+ altitude_ft = 0;
+ speed_north_deg_sec = 0;
+ speed_east_deg_sec = 0;
+ turn_radius_ft = 0;
+
+ ft_per_deg_lon = 0;
+ ft_per_deg_lat = 0;
+
+ horiz_offset = 0;
+ vert_offset = 0;
+ ht_diff = 0;
+
+ serviceable = false;
+
+ fp = 0;
+
+ rho = 1;
+ T = 280;
+ p = 1e5;
+ a = 340;
+ Mach = 0;