MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Unit of aircraft emergency oxygen system for a pressurized cabin, activated when cabin pressure drops below a pressure equivalent to 13250 to 14500 ft altitude the control unit automatically initiates and controls the flow of oxygen from a high pressure source to the passenger mask compartments, control unit can be manually activated, reset manually at below 12000 ft altitude, appl boeing 727 acft
