Search for Malaysia Airlines Flight 370 Minh City as the aircraft passed into Vietnamese airspace just north of the point where the final verbal communication was made. Less than two minutes later, at 01:21, the aircraft disappeared from the radar screens of both Malaysian and Vietnamese ATC, which use secondary radar to track aircraft. No distress call was made. Flight 370 was expected to arrive in Beijing at 6:30 local time (same time zone as Malaysia; 22:30 UTC, 7 March). At 7:24, Malaysia Airlines issued a media statement that Flight 370 was missing after contact was lost with Malaysian ATC at 2:40. The time of the
Malaysia Airlines Flight 370 370 on the Lumpur Radar frequency – the frequency on which Flight 370 last made contact with Malaysian air traffic control – and on emergency frequencies. The attempt was unsuccessful. At 03:30, Malaysia Airlines' operations centre informed Kuala Lumpur ACC that the locations it had provided earlier were "based on flight projection and not reliable for aircraft positioning." Over the next hour, Kuala Lumpur ACC contacted Ho Chi Minh ACC asking whether they had signalled Chinese air traffic control. At 05:09, Singapore ACC was queried for information about Flight 370. At 05:20, an undisclosed official contacted Kuala Lumpur ACC requesting