EgyptAir Flight 990 Timeline
 

PRELIMINARY
 
 
TIME (e.s.t.)
H:M:S
ELAPSED
H:M:S
FLIGHT
LEVEL
REMARK
01:49:45 00:00:00 330 Autopilot disconnect
01:49:53 00:00:08 330 Nose-down elevator
Throttles retarded
Engine thrust reduced
01:49:54 00:00:09 328 Zero-g pitch over under way
Increasingly steep descent
01:50:07 00:00:22 301 Mach 0.86 exceeded
Master warning
Engine oil pressures low (consistent with zero-g)
01:50:13 00:00:28 267 End of zero-g
Maximum nose-down pitch of 40 degrees
Area of  maximum speed Mach 0.94
40 degrees lasted about 4 seconds
01:50:20  00:00:35 218 Elevator split begins, remains to end of data
Left nose-up; right nose-down
Maximum difference 7 degrees at 00:43
01:50:21 00:00:36  210 Engine start lever moves from "run" to "cutoff"
01:50:25 00:00:40 193 Speed brake handle moves to deployed position
01:50:34 00:00:49 165 Elevator split lessening
01:50:36 00:00:51 164 End of DFDR, CVR, transponder
Nose-down angle decreased to 10 degrees
574 KTAS, Mach 0.91
01:50:42* 00:00:59 172
01:50:49* 00:01:06 192
01:50:57* 00:01:18 220
01:51:07* 00:01:28 240

* Based on Air Force radar
 

Further data unavailable

11/19/99

Source: http://www.ntsb.gov/events/ea990/timeline.htm

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