Garmin GNS 430AW, Pilot'S Manual & Reference

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Flight Planning
3b. For flight plan fuel planning, turn the small
right knob to select the desired flight plan by
number (already stored in memory. “00” is the
active flight plan). Turn the
large right knob
to highlight the “LEG” field and turn the small
right knob to select the desired leg of the flight
plan, or select “Cum” to apply fuel planning
calculations to the entire flight plan.
4. If your fuel management system does not enter
the data automatically, turn the
large right
knob to highlight the fuel on board (FOB)
field.
5. Use the small and large right knobs to enter
the amount of fuel on board. Press ENT when
finished.
6. The flashing cursor moves to the fuel flow (FF)
field. Use the
small
and
large right
knobs
to enter the fuel flow rate. Press
ENT
when
finished. Note that if a fuel system is providing
current fuel flow, the fuel flow field will default
to this value.
7. The flashing cursor moves to the ground speed
(GS) field. Use the small and large right
knobs to enter the ground speed. Press ENT
when finished.
8. With all variables entered, the following infor-
mation will be provided:
• REQ — Quantity of fuel required
• LFOB — Left-over fuel on board
• LRES — Left-over fuel reserve time
• EFF — Efficiency, expressed in distance per
fuel units (e.g. nautical miles per
gallon)
• RNG — Range (distance)
• ENDUR — Flight endurance, or total available
flight time
9. To reconfigure the data fields press MENU to
display the options window. Turn the small
right knob to highlight the “change fields?”
option. Press ENT to reconfigure the data
fields. Turn the
large right
knob to select the
desired field. Turn the
small right
knob to
highlight the desired data. Press
ENT
to select
the data configuration.