TM 1-1510-225-10
3A-98
NOTE
With TRIP PLAN A selected, the TRIP PLAN
leg will automatically advance to display
DIRECT TO the current navigation page to
waypoint each time the Trip Plan page is
accessed.
8. ENTER key Press.
9. Groundspeed
Verify.
Current
aircraft
groundspeed
is
displayed
unless a manual entry is made. Enter
manual groundspeed as follows:
a. Line select key Press to position
cursor over GS field.
b. Groundspeed Insert.
c.
ENTER key Press. MAN will
appear adjacent to the GS field.
To return to automatic groundspeed:
d. Line select key Press to position
cursor over GS field.
e. BACK key Press. AUTO?
appears in the GS field to inform
pilot of the pending change and
current GS is displayed in the
cursor.
f.
ENTER key - Press.
10. Data Check. When DIRECT is
displayed, all data except DTK is
updated continuously. If data is not
continuously
updated,
it
will
be
recalculated each time:
a. The Trip Plan page is selected.
b. A TRIP PLAN is entered.
c.
A leg change is made on the Trip
Plan page. ETE and FPL time are
recalculated
whenever
the
groundspeed changes.
d. Leg or GS change is made on the
Fuel Plan page.
NOTE
ETA@ the destination is displayed only
when DIRECT legs are being viewed.
NOTE
If the Trip Plan page is being displayed
during a leg change (on the Active Flight
Plan page), the new TO waypoint is not
displayed. Exit and return to the Trip Plan
page to view the updated TO waypoint.
Information
between
any
desired
waypoints can be reviewed by selecting
the Trip Plan page and entering a FROM
and TO waypoint, accomplishing manual
leg change, or performing the present
position direct procedures. If the TO
waypoint is not on the selected flight plan,
the
flight
plan
number
and
origin/
destination fields will display dashes.
11. Remainder of flight plan. Review by
positioning cursor over TO field and
pressing ENTER key twice to call up
next leg. Press ENTER key once for
each subsequent leg. Groundspeed
should be updated if necessary.
(a) Updating TRIP PLAN Leg To The
Current TO Waypoint With An Active Flight Plan
Selected.
1. Line select key Press to position
cursor over TRIP PLAN field.
2. Enter the letter A in the cursor
field.
3. ENTER key Press twice to
display information in the data
fields.
NOTE
If an offset waypoint is in the TO field, the
OFFSET WPT will appear. Press the
ENTER key again.
The TRIP PLAN leg will display DIRECT TO the
current navigation page TO waypoint.
Selecting another display page, other than MSG
and Fuel Plan, and returning to the Trip Plan page will
also update the leg with DIRECT TO the current
navigation page TO waypoint.
(3) Flight Plan Fuel Planning. The Fuel Plan
page
provides
the
capability
to
calculate
fuel
consumption information for active or stored flight
plans, DIRECT TO legs, or random legs without
affecting any of the system's navigation functions.