To perform fuel planning operations:
1. Press
N
and rotate
O
until NAV Menu 1 is displayed.
2. Press
C
and rotate
O
until ‘Fuel Plan?’ is highlighted. Press
E
.
3. Rotate
K
to select either ‘wpt’ for direct navigation or the desired route number. Press
E
.
4. For waypoint-waypoint navigation, use
K
and
O
to enter the ‘to’ and ‘from’ waypoints.
Press
E
to accept the waypoints. (To use the current position as a waypoint, leave the
corresponding waypoint field blank).
5. For route calculations, choose either ‘cum’ for cumulative route fuel requirements
(from beginning to end) or the leg desired by rotating
K
K
.
If leg is selected, it displays the amount of fuel required to fly until that leg is complete.
For example:
The fuel required to complete leg 2 is leg 1 + leg 2.
Fuel required to complete leg 4 is leg 1 + leg 2 + leg 3 + leg 4.
6. Rotate
O
to advance the cursor to ‘fob:’ or ‘gs:’ (Depending on which is displayed).
7. Use
K
and
O
to enter the fuel on board or the ground speed. Press
E
.
8. Rotate
O
back two positions to highlight the ‘fob:’ or ‘gs:’ field again.
9. Rotate
K
to display the other information. Press
E
.
10. Use
K
and
O
to enter the remaining data. Press
E
.
11. Use
K
and
O
to enter the flow rate, in units per hour, if needed. Press
E
.
The GPS 150 will calculate the range and endurance (how long the fuel will last)
of your aircraft. These are found in the first field on the bottom row. It will also
calculate leftover fuel on board (lfob) and reserve after the selected direct-to, leg, or
route is completed. These are found in the second field on the bottom row. These may
be changed by highlighting the field with the cursor, and using
K
to change the data.
16
REFERENCE
Fuel Planning
Section
1
Fuel Planning page
NAV Menu 1
Fuel Planning page with other information.
150man rev E 7/24/98 3:10 PM Page 16
