Flight MH370/2014-03-08/09-15-56 MYT: Difference between revisions

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|description=Perth GES Log-On Interrogation; no response from SATCOM. SATCOM link was lost at some time between 0019:37 and 0115:56 UTC. No evidence of cockpit-initiated manual Log-Off.
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[[Category:North Indian Ocean to Southern Indian Ocean]]
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|description=Perth GES Log-On Interrogation; no response from SATCOM. SATCOM link was lost at some time between 0019:37 and 0115:56 UTC. No evidence of cockpit-initiated manual Log-Off.
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<div class="chron gnd" id="#091556">
<p>8 March 2014 &nbsp; [[Flight MH370/2014-03-08/09-15-56 MYT|09:15:56 MYT]]</p>
<p>Perth GES Log-On Interrogation; no response from SATCOM. SATCOM link was lost at some time between 0019:37 and 0115:56 UTC. No evidence of cockpit-initiated manual Log-Off.</p>
 
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|DataSource=Safety Investigation Report (2018)
|DataSource=Safety Investigation Report (2018)
|DataItems=1.9.4 / Table 1.9C (No. 24)
|DataItems=1.9.4 / Table 1.9C (No. 24)
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<div class="chron gnd" id="#091556">
<p>8 March 2014 &nbsp; [[Flight MH370/2014-03-08/09-15-56 MYT|09:15:56 MYT]]</p>
<p>Perth GES Log-On Interrogation; no response from SATCOM. SATCOM link was lost at some time between 0019:37 and 0115:56 UTC. No evidence of cockpit-initiated manual Log-Off.</p>
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</includeonly> <!-- End Chron Summary -->

Revision as of 06:02, 19 August 2026

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Event Summary

 09:15:56 MYT Saturday 8 March 2014

Chronology

Log-On Interrogation by the Perth GES, with no response from the SATCOM


Event Details

  1. Safety Investigation Report MH370/01/2018 Satellite Ground Station Logs - Key Observations

    Log-On Interrogation by the Perth GES, with no response from the SATCOM

    1. The SATCOM Link was lost at sometime between 0019:37 and 0115:56.
    2. There is no evidence of a cockpit-initiated manual Log-Off of the SATCOM.
    3. The loss of SATCOM link was due to one of the following:
      1. The SATCOM stopped receiving the P-Channel transmission from the satellite
      2. SATCOM input power (115VAC 400Hz) was removed
      3. The SATCOM experienced a BITE failure.

Notes

  1. Source: Safety Investigation Report MH370/01/2018 2.5.1 Summary of Key Observations of the SATCOM Ground Station Logs

    12) The last transmission received from the SATCOM occurred at 0019 on 08 March 2014 and the SATCOM failed to respond to a series of three Log-On interrogations starting at 0115 on 08 March 2014. This implies that the SATCOM probably became inoperative at sometime between 0019 and 0115 on 08 March 2014.

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Malaysian Time (MYT) is Coordinated Universal Time (UTC) + 8 hours

Ground earth station. A satellite ground station sends or receives data from orbiting satellites. (Source: ATSB)

Satellite Communications

Built In Test Equipment

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