A Loadmaster's an aircrew member on military transport aircraft. Loadmasters serve in the Air Force, Marines, Coast Guard and Navy of many nations. These include the USAF, RAF, AIRCOM, RAAF, Australian Army, IAF, and RNZAF. Duties The loadmaster performs the calculations and plans cargo and passenger placement to keep the aircraft within permissible center of gravity limits throughout the flight. Loadmasters ensure cargo's placed on the aircraft in such a way as to prevent overloading sensitive… (More on Loadmaster)