"MAS 370" refers to transmissions from the cockpit of the Beijing-bound Malaysia Airlines plane, while "ATC" is Malaysian air traffic control. The transcript does not identify which of the two pilots was variously speaking.
12:25:53 (MAS 370) Delivery MAS 370, good morning
12:26:02 (ATC) MAS 370 standby and Malaysia Six is cleared to Frankfurt via AGOSA Alpha Departure six thousand feet squawk two one zero six [squawk refers to a transponder code assigned to a departing flight by air traffic controllers]
12:26:19 (ATC) ... MAS 370 request level
12:26:21 (MAS 370) MAS 370 we are ready requesting flight level three five zero to Beijing
12:26:39 (ATC) MAS 370 is cleared to Beijing via PIBOS A departure six thousand feet squawk two one five seven
12:26:45 (MAS 370) Beijing PIBOS A six thousand squawk two one five seven, MAS 370 thank you
12:26:53 (ATC) MAS 370, welcome over to Ground
12:26:55 (MAS 370) Good day
12:27:27 (MAS 370) Ground MAS 370 good morning, charlie one requesting push and start
12:27:34 (ATC) MAS 370 Lumpur Ground, morning, push back and start approved Runway 32 right exit via Sierra 4
12:27:40 (MAS 370) Push back and start approved 32 right exit via Sierra 4 POB 239 Mike Romeo Oscar
12:27:45 (ATC) Copied
12:32:13 (MAS 370) MAS 377 request taxi.
12:32:26 (ATC) MAS 37..... (garbled) ... standard route. Hold short Bravo
12:32:30 (MAS 370) Ground, MAS 370. You are unreadable. Say again.
12:32:38 (ATC) MAS 370 taxi to holding point Alfa 11 Runway 32 right via standard route. Hold short of Bravo.
12:32:42 (MAS 370) Alfa 11 standard route, hold short Bravo MAS 370.
12:35:53 (ATC) MAS 370 Tower
12:36:19 (ATC) (garbled) ... Tower ... (garbled)
(MAS 370) 1188 MAS 370, thank you
12:36:30 (MAS 370) Tower MAS 370, morning
12:36:38 (ATC) MAS 370, good morning. Lumpur Tower. Holding point... (garbled)... 10 32 Right
12:36:50 (MAS 370) Alfa 10 MAS 370
(MAS 370) Line up 32 Right Alfa 10 MAS370.
12:40:38 (ATC) 370 32 Right, cleared for take-off. Good night.
(MAS 370) 32 Right, cleared for take-off MAS 370. Thank you, bye.
[The plane takes off at 12:41 am, and by 12:46 am passes from ground ATC to outbound radar control]
12:42:05 (MAS 370) Departure Malaysian Three Seven Zero
12:42:10 (ATC) Malaysian Three Seven Zero selamat pagi (good morning) identified. Climb flight level one eight zero cancel SID turn right direct to IGARI
12:42:48 (MAS 370) Okay level one eight zero direct IGARI Malaysian one err Three Seven Zero
12:42:52 (ATC) Malaysian Three Seven Zero contact Lumpur Radar One three two six, good night
(MAS 370) Night one three two six, Malaysian Three Seven Zero
12:46:51 (MAS 370) Lumpur Control, Malaysian Three Seven Zero
12:46:51 (ATC) Malaysian Three Seven Zero, Lumpur Radar, good morning. Climb flight level two five zero
12:46:54 (MAS 370) Morning, level two five zero, Malaysian Three Seven Zero
12:50:06 (ATC) Malaysian Three Seven Zero, climb flight level three five zero
12:50:09 (MAS 370) Flight level three five zero, Malaysian Three Seven Zero
01:01:14 (MAS 370) Malaysian Three Seven Zero, maintaining level three five zero
01:01:19 (ATC) Malaysian Three Seven Zero
[The last transmission by the plane's Aircraft Communications Addressing and Reporting System (ACARS) -- which relays key information on the plane's mechanical condition every 30 minutes -- takes place at 1:07 am]
01:07:55 (MAS 370) Malaysian... Three Seven Zero maintaining level three five zero
01:08:00 (ATC) Malaysian Three Seven Zero
01:19:24 (ATC) Malaysian Three Seven Zero contact Ho Chi Minh 120 decimal 9, good night
01:19:29 (MAS 370) Good night, Malaysian Three Seven Zero
[The last transmission from the plane's communication transponder is at 1:21 am, and it vanishes from ATC radar at 1:30 am]
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