787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Flight Management, Navigation -
Alternate Navigation System
Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 11.50.3
Displays current left integrated navigation receiver true ground track to the nearest
whole degree.
Displays current left integrated navigation receiver true groundspeed to the
nearest whole knot.
Enter a TO waypoint longitude into the TCP scratchpad:
• select W or E on the longitude hemisphere selection key (default is the
current longitude hemisphere)
• enter longitude in degrees (D) and minutes (M) using DDDMM.M format
Line select into the TO LONG field.
Displays true track from current airplane position to entered waypoint in whole
degrees.
Displayed in magenta font.
Push – toggles between western and eastern hemispheres.
Default is current longitude hemisphere.
Selection is displayed in large green font.
Displays time to go from current airplane position to entered waypoint, based on
current airplane groundspeed.
Displayed in hours (H) and minutes (M) using HH:MM format.
Accuracy better than or equal to 1 minute.
Displays distance to go from current airplane position to entered waypoint in
nautical miles.
Accuracy better than or equal to 10 nautical miles.
4
Ground Track (GTK)
5
Groundspeed (GS)
6
To Longitude (TO LONG)
7
Track To (TRK TO)
8
Hemispherical Selection Key (Longitude)
9
Time To Go (TTG)
10
Distance To Go (DTG)
August 14, 2009
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