Figure 3B-36. Pilots Lateral Steer Page
Table 3B-27. Pilots Lateral Steer Page
Select Steering (STR) page.
speed (CMD GS), groundspeed error.
Estimated time of arrival and time to go to
the active waypoint.
Toggle between Drift Angle (DA) and
Track Angle Error (TKE) display.
Current aircraft track and bearing/distance
to go to the action deviation.
Desired track at present position to steer
to active waypoint.
Source for pilots steering solution.
(b) Speed Command for Required Time
of Arrival (RTA).
function is prohibited from use for Air
Traffic Control (ATC) airspace operations.
A required RTA can be entered at one or more
waypoints on the Flight Plan Waypoint Data page. If
an alternate flight plan with RTAs at any waypoint is
transferred to the active fight plan, the RTAs are
maintained at the same waypoints and times. To
delete a RTA enter a in the scratchpad and select
the RTA line select key on the Flight Plan Waypoint
To view the computed ground speed required to
achieve the RTA, select the Pilot Lateral Steer page.
The speed command is for the first future flight plan
waypoint that has an RTA assigned.
If the crew desires to be alerted when the actual
speed differs from the commanded speed, enter the
desired threshold on the Navigation Configuration
page. Refer to Figure 3B -37 and Table 3B-28. When
the actual speed differs from the commanded speed
by an amount greater than the entered threshold, a
SPEED annunciation will be displayed and CDU alert
annunciator will be activated.
Figure 3B-37. Navigation Configuration Page