// convert to fps
speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
- dir += 180;
+ // dir += 180;
if (dir >= 360)
dir -= 360;
dir *= SGD_DEGREES_TO_RADIANS;
cout << "Flight Model:" << endl;
cout << "\t--fdm=abcd: selects the core flight model code." << endl;
- cout << "\t\tcan be one of jsb, larcsim, magic, external, balloon, or ada"
+ cout << "\t\tcan be one of jsb, larcsim, magic, null, external, balloon, or ada"
<< endl;
cout << "\t--aircraft=abcd: aircraft model to load" << endl;
cout << "\t--model-hz=n: run the FDM this rate (iterations per second)"