This pamphlet, DA PAM 738-751 Logistics Management Functional Users Manual for the Maintenance Management System - Aviation, covers the preparation and management of forms and records required to manage maintenance, control the use, and report warranty actions and deficiencies on Army Aircraft, unmanned aerial systems, and unmanned aerial systems ground-control equipment, and aviation associated equipment. It applies to Active Army, the Army National Guard/Army National Guard of the United States, and the U.S. Army Reserve. It also applies to Department of Defense, sustainment facilities, depots, and other Government agencies that operate and maintain Army aircraft, unmanned aviation systems, and associated equipment and parts operated, maintained, and stored by Department of Defense contract support maintenance activities. During mobilization, chapters and policies contained in this regulation may be modified by the proponent.