Time:0042:53 MYT/Details

1. Safety Investigation Report MH370/01/2018 1.1.1

   At 1642:53 UTC (0042:53 MYT) Lumpur Departure cleared MH370 to climb to Flight Level (FL) 180 (the aviation term for 18,000 feet [ft.]) and to cancel the Standard Instrument Departure (SID) clearance by tracking direct to waypoint IGARI.

2. Safety Investigation Report MH370/01/2018 Appendix 1.18D

   AIR-GROUND COMMUNICATION APPROACH RADAR - FREQUENCY 121.25 MHz
   Time	Source	CONTENT
   1642:50 UTC [0042:50 MYT]	MAS 370	Departure Malaysian aaa… Three Seven Zero.
   1642:53 UTC (0042:53 MYT)	Lumpur Radar	Malaysian Three Seven Zero selamat pagi identified climb flight level one eight zero cancel SID turn right direct to IGARI.
   1643:01 UTC [0043:01 MYT]	MAS 370	Okay… level one eight zero direct IGARI Malaysian One… aaa Three Seven Zero.
   1646:39 UTC (0046:39 MYT)	Lumpur Radar	Malaysian Three Seven Zero contact Lumpur Radar one three two six good night.
   1646:42 UTC [0046:42 MYT]	MAS 370	Night one three two six Malaysian err… Three Seven Zero.

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Coordinated Universal Time

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

Flight Level.

Standard Instrument Departure

A predetermined geographical position that is defined in terms of latitude and longitude coordinates, used for navigation. More Info

Waypoint Country SG Latitude 6° 56' 10.00" N Longitude 103° 35' 6.00" E

Radio Detection and Range

Megahertz

Malaysia Airline Systems

Good Morning