Safety Investigation Report 2018:1 Factual Information/1.5/1.5.12
SAFETY INVESTIGATION REPORT MH370 (9M-MRO)
1.5.12 Voice Recognition of the Radio Transmissions between MH370 and Air Traffic Control
The radio transmissions made between MH370 and the air traffic control were studied. The Team used pilot friends, family members, and an expert report of objective analysis of the radio transmissions in the voice recognition of the transmissions made between MH370 and air traffic control.
Five sets of audio recordings were analysed starting from Airway Clearance Delivery at 1625:52 UTC [0025:52 MYT] till the last utterance from Lumpur Radar at 1719:30 UTC [0119:30 MYT]. There was a total of 23 utterances as follows:
(MHz) |
||||
| Airway Clearance Delivery (ACD) | ||||
| Lumpur Ground (LG) | ||||
| Lumpur Tower (LT) | ||||
| Approach Radar (AR) | ||||
| Lumpur Radar (LR) | ||||
From the information available, the first 3 sets of audio recordings (ACD, LG, LT), the speech segments are those of the FO before take-off, and the 4th & 5th (AR & LR) sets of the audio recordings originated from the PIC after take- off.