Malaysia Airlines Flight 370 information about Flight 370; he opined that, based on known information, "MH370 never left Malaysian airspace." The watch supervisor at Kuala Lumpur ACC activated the Kuala Lumpur Aeronautical Rescue Coordination Centre (ARCC) at 05:30, more than four hours after communication was lost with Flight 370. The ARCC is a command post at an Area Control Centre that coordinates search-and-rescue activities when an aircraft is lost. Malaysia Airlines issued a media statement at 07:24 MYT, one hour after the scheduled arrival time of the flight at Beijing, stating that communication with the flight had been lost by Malaysian ATC at 02:40
Analysis of Malaysia Airlines Flight 370 satellite communications China Standard Time (CST) on 8 March (06:30 MYT; 22:30 UTC, 7 March). At 7:24 MYT/CST, Malaysia Airlines issued a media statement that Flight 370 was missing. The datalink for Malaysia Airline's avionics communications at the time of the incident was supplied by SITA, which contracted with Inmarsat to provide a satellite communication link using Inmarsat's "Classic Aero" service. Aeronautical satellite communication (SATCOM) systems are used to transmit messages from the aircraft cockpit as well as automated messages from on-board systems using the ACARS communications protocol, but may also be used to transmit FANS and ATN messages and provide voice,