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
Malaysia Airlines Flight 370 search of the sea-floor near the detections was carried out between 14 April and 28 May without any sign of Flight 370. In a March 2015 report, it was revealed that the calendar life of the battery for the ULB attached to Flight 370's flight data recorder had expired in December 2012 and may not have been as capable. In late June 2014, details of the next phase of the search were announced; officials have called this phase the "underwater search", despite the previous seafloor sonar survey. Continued refinement of the analysis of Flight 370's satellite communications identified a "wide