Time:Radar/0124:57 to 0137:35 MYT/Summary

Between 0124:57 MYT to 0137:35 MYT the “blip” (a spot of light on a radar screen indicating the position of a detected aircraft) made heading changes that varied between 8° and 20°, and a ground speed that varied from 451 kt to 529 kt. The Military data also recorded a significant height variation from 31,150 to 39,116 ft.

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

a spot of light on a radar screen indicating the position of a detected aircraft (Source: Safety Investigation Report)

Knot - A unit of speed that is equal to one nautical mile (1.852 km) per hour