Timeline/Pre-Flight/1554:53 UTC

MH370 DECODED
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Event Summary

23:54:53 MYT Friday, 7 March 2014

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ACARS used the SATCOM system to indicate that the VHF datalink had been 'lost'.

This indicates that the VHF radio (VHF3) had been switched from data to voice in accordance with the instruction from Malaysia Airlines Operations Centre at 23:54:31 MYT.


Event Details

  1. Safety Investigation Report MH370/01/2018 Appendix 1.9A


    Time
    15:54:53
    Trans
    46817964
    Direction
    Incoming Downlink
    AN
    9M-MRO
    FI
    MH0000
    Medium
    POR1
    Machine
    MHKULKJACM001
    Raw DTG
    071555
    SMI
    MED
    Application
    RELAY
    Status
    Normal
    Message Type
    Lost VHF
    Source/Destination
    QXSXMXS

    QU DPCCAMH
    .QXSXMXS 071555
    MED
    FI MH0000/AN 9M-MRO
    DT QXT POR1 071555 S06A
    - 0LV155453S



    Time
    15:54:53
    Trans
    46817964
    Direction
    Incoming Downlink
    AN
    9M-MRO
    FI
    MH0000
    Medium
    POR1
    Machine
    MHKULKJACM001
    Raw DTG
    071555
    SMI
    MED
    Application
    RELAY
    Status
    Normal
    Message Type
    Lost VHF
    Source/Destination
    QXSXMXS

    QU DPCCAMH
    .QXSXMXS 071555
    MED
    FI MH0000/AN 9M-MRO
    DT QXT POR1 071555 S06A
    - 0LV155453S





Notes

  1. The VHF datalink was 'lost' because the radio used for data (VHF3) was switched from data to voice in accordance with the instruction from Malaysia Airlines Operations Centre at 23:54:31 MYT.