MIL-STD-2172, MILITARY STANDARD: AERONAUTICAL EQUIPMENT SERVICE RECORD (25 JUN 1984) [NO S/S DOCUMENT]., This standard establishes the uniform procedures for the initiation or maintenance of Aeronautical Equipment Service Record (AESR) and associated forms and records. AESRs are an essential element of aeronautical technical discipline. They provide a history of maintenance, operation, and configuration control of selected aeronautical equipment.