The Duty Watch Supervisor at the Kuala Lumpur Air Traffic Services Centre (KL ATSC) performed radar data and voice recording play-back.
Safety Investigation Report MH370/01/2018 2.2.8 1) Analysis of ATS Operational Issues after Last Radio Communication with MH370 and subsequent Activities/Actions taken
p) Play-back of Radar and Radiotelephony Recordings by ATSC Duty Watch Supervisor
At 2145 UTC [0545 MYT], the ATSC Duty Watch Supervisor requested from the radar maintenance personnel to carry out radar data play-back (with permission granted by KL ATSC’s Chief Assistant Director). The SME successfully restored the desired file from the recording play-back back-up hard disc. At 2200 UTC [0600 MYT] the ATSC Duty Watch Supervisor performed radar data and voice recording play-back at the D40 Controller Working Position (D40 CWP).
- Air Traffic Controllers had rostered breaks during the night. The group which started their break at 0300 MYT would end their break at 0600 MYT.