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In addition to the Position and CDI pages, the
N
key features two menu pages
to perform many planning and navigation functions. NAV Menu 1 contains options
to perform the following functions:
• Trip Planning • Density altitude/true air speed calc.
• Fuel Planning • Winds aloft calcuLations
• VNAV Planning • Checklists
To display NAV Menu 1:
1. Press
N
.
2. Rotate
O
until NAV Menu 1 is displayed.
Trip Plan is the first function listed on NAV Menu 1. Trip planning allows the
pilot to view distance, ESA, bearing and estimated time enroute (ETE) between any
two waypoints, and for programmed route. The ground speed can be varied manually
to calculate several possible ETEs.
To use the trip planning function:
1. Press
N
and rotate
O
until NAV Menu 1 is displayed.
2. Press
C
, then
E
to access trip planning.
3. Rotate
K
to select ‘wpt’ for waypoint-to-waypoint planning, or select the route you
would like to use. Press
E
.
4. If you have selected a route, use
K
to select either ‘cum’ for cumulative or the leg of
the trip you wish to plan for. Press
E
.
5. If using waypoint-waypoint, then use
K
and
O
to enter the ‘to’ and ‘from’ waypoints.
(To use the current position as a waypoint, leave the corresponding waypoint field blank).
Press
E
after each identifier, then press
E
on the waypoint confirmation pages to accept.
6. Use
K
and
O
to enter the ground speed. Press
E
to calculate the values and
C
to complete.
This will display the trip direction, distance, ESA and ETE.
14
REFERENCE
NAV Menu 1 & Trip Planning
Section
1
NAV Menu 1
Trip Planning page
Trip Planning page with values calculated.
150man rev E 7/24/98 3:10 PM Page 14