MIL-T-5522D (AMENDMENT 1), MILITARY SPECIFICATION: TEST REQUIREMENTS AND METHODS FOR AIRCRAFT HYDRAULIC AND EMERGENCY PNEUMATIC SYSTEMS (28 SEP 1979) [S/S BY MIL-STD-5522]., MIL-T-5522D, dated 30 September 1975, and is approvedfor use by all Departments and Agencies of the Departmentof Defense.