Provides training on in-flight planning and coordination responsibilities, operating principles and characteristics of major aircraft systems; aircraft parameters, operational/mission requirements, equipment systems operation/and troubleshooting, proper and correct methods of performing aircrew duties, e.g., use of aircraft performance charts, computation and aircraft weight and balance, techniques of aircraft internal loading, forms and records completion, arm and hand signals, ground handling of aircraft, use of ground equipment, techniques of normal and rapid (hot) refueling, armament rearming, passenger briefing, sling(external) loads, hoist operations, observer duties, and emergency procedures. May assist the pilot on the operation of communications/navigation equipment, performing basic navigation and map reading and checklist reading, Provides dipection and operational progress to pilot regarding maneuvering the aircraft over objects for hoist and sling operations and in securing and releasing external cargo loads.