Flight MH370/2014-03-07/00-02-27 MYT
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Event Summary
00:02:27 MYT Friday 7 March 2014
The SATCOM on aircraft 9M-MRO had been powered on prior to 0802:27 UTC and was powered off at about that time.
At 1250:19 UTC (prior to take-off) the SATCOM initiated a normal Log-On as Class 1 (data only capable) via the Pacific Ocean Region (POR) I-3 satellite - this was the "first SATCOM activity recorded at the GES since 0802:27, suggesting that the SATCOM was not powered for a period of several hours, whilst the aircraft was on ground. This is quite normal."
Event Details
Safety Investigation Report MH370/01/2018 1.9.5 Table 1.9C - Chronology of Satellite Communications Ground Station Logs
No. Time (UTC) Key Observations - Satellite Ground Station Logs 1. 1250:19 Prior to take-off, the SATCOM initiates a normal Log-On as Class 1 (data only capable) via the Pacific Ocean Region (POR) I-3 satellite, using the Low Gain Antenna (LGA) subsystem, suggesting that ADIRU (Air Data Inertial Reference Unit) navigation data was not available to the SDU at this time. No flight ID is sent to the GES at this time. This is the first SATCOM activity recorded at the GES since 0802:27, suggesting that the SATCOM was not powered for a period of several hours, whilst the aircraft was on ground. This is quite normal.
Notes
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