Þetta eru auðvitað stór og dramatísk tíðindi fyrir alla þá sem sett hafa sig inní Pentagoncasið.
Það er því vert að gefa þessu sér þráð (að mínu mati)
Þessar upplýsingar hefur hann gefið:
At 08:56:35 Altitude Reporting was switched to OFF
at a Pressure Altitiude of 35008
It remains OFF to the end of the dataset 09:37:44
(need someone to determine this fields importance)
09:37:45-46 are empty except for the time stamps
The FDR field "ALTITUDE ALERT" remains NORMAL throughout.
The PRES ALT on AA77's runway before takeoff is 40 feet
Here are the final seconds of alitutude and speed recordings
Eastern PRESSURE COMPUTED
Eastern PRESSURE COMPUTED
Daylight ALT AIRSPEED
Time
hh:mm:ss feet KT
09:37:35 955 413.0
09:37:36 869 420.0
09:37:37 786 425.5
09:37:38 685 430.5
09:37:39 592 441.5
09:37:40 496 443.5
09:37:41 399 449.5
09:37:42 307 453.5
09:37:43 239 459.5
09:37:44 173 463.0
09:37:45
09:37:46
Here is a graph of the final 40'ish seconds with the KT converted to MPH

A/P (Autopilot) on/off points
BEGIN to 8:19:00
ALL A/P's OFF
8:25:48 -- :50
A/P CMD R ENGA_FCC -- ON
A/P CMD R ENGA_FCC L-A-4 -- ON
A/P CMD R ENGA_FCC R-A-4 -- ON
A/P ENGAGE DETENT FCC R-A-4 -- ON
9:07:49 -- :52
A/P CMD R ENGA_FCC L-A-4 -- OFF
A/P CMD R ENGA_FCC R-A-4 -- OFF
A/P ENGAGE DETENT FCC R-A-4 -- OFF
A/P CMD R ENGA_FCC -- OFF
9:10:02 to :05
A/P CMD L ENGA_FCC -- ON
A/P CMD L ENGA_FCC C-A-4 -- ON
A/P CMD L ENGA_FCC L-A-4 -- ON
A/P ENGAGE DETENT FCC L-A-4 -- ON
9:10:25 -- :28
A/P CMD L ENGA_FCC L-A-4 -- OFF
A/P CMD L ENGA_FCC -- OFF
A/P ENGAGE DETENT FCC L-A-4 -- OFF
A/P CMD L ENGA_FCC C-A-4 -- OFF
9:10:57 -- 9:11:00
A/P CMD L ENGA_FCC L-A-4 -- ON
A/P CMD L ENGA_FCC -- ON
A/P ENGAGE DETENT FCC L-A-4 -- ON
A/P CMD L ENGA_FCC C-A-4 -- ON
9:28:46 -- :49
A/P CMD L ENGA_FCC L-A-4 -- OFF
A/P CMD L ENGA_FCC -- OFF
A/P ENGAGE DETENT FCC L-A-4 -- OFF
A/P CMD L ENGA_FCC C-A-4 -- OFF
All A/P off until END
Enn sem komið er ríkir mikil óvissa hvernig beri að túlka feet altitude.
Verið er að setja flugmenn og aðra sérfróða menn inní málið.[b]