Garmin 300XL Pilot's Manual And Reference page 35

To perform fuel planning operations:
N O
1. Press and rotate
C
2. Press twice and rotate
K
3. Rotate to select either 'wpt' for direct navigation or the desired route number. Press
4. For waypoint-waypoint navigation, use
E
Press to accept the waypoints. To use the present 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
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.
O
6. Rotate to advance the cursor to 'fob:' or 'gs:' (depending on which is displayed).
K O
7. Use and to enter the fuel on board or the ground speed. Press
O
8. Rotate back two positions to highlight the 'fob:' or 'gs:' field again.
K
9. Rotate to display the other information. Press
K O
10. Use and to enter the remaining data. Press
K O
11. Use and to enter the flow rate, in units per hour, if needed. Press
The GNC 300XL will calculate the range and endurance (i.e., how long the fuel will
last) of your aircraft. These are found in the first field on the bottom row of the page.
The amount of fuel left on board (lfob) and reserve time after the selected direct-to, leg
or route is flown are displayed in the second field on the bottom row.
until NAV Menu 1 is displayed.
O
until 'Fuel Plan?' is highlighted. Press
K O
and to enter the 'to' and 'from' waypoints.
K
K
.
E
.
E
.
E
.
E
.
Fuel planning page showing calculations between
two waypoints.
E
.
E
.
Fuel planning page with other information
indicating 'endurance' and 'reserve' times.
NAV KEY SECTION
1
NAV Menu 1
Fuel Planning
25