Garmin GNC 420 - Manual (Page 152)

GNC 420(A) Pilot’s Guide and Reference 9-4
SECTION 9
AUX PAGES
Flight Planning Page: Fuel Planning
Performing fuel planning operations:
1) Select ‘Fuel Planning’ from the Flight Planning
Page, using the steps described in Section
9.2.
2) The current fuel planning ‘mode’ is displayed
at the top of the page (Figure 9-7): ‘POINT TO
POINT’ or ‘FPL’ (for a flight plan). To change
the mode, press the MENU Key to display the
Fuel Planning Page Menu (Figure 9-8) for the
other mode, then press the ENT Key to accept
the other mode.
Figure 9-7 Fuel Planning Page
Figure 9-8 Fuel Planning Page Menu
NOTe: The ‘Change Fields?’ option above is only
available on GNC 420 installations which include
a Shadin fuel computer. in these installations, use
the ‘Change Fields?’ option to review separate
fuel information for left and right engines.
3) For point-to-point fuel planning (Figure 9-9),
turn the small and large right knobs to enter
the identifier of the ‘from’ waypoint. Once
the waypoint’s identifier is entered, press the
ENT Key to accept the waypoint. The flashing
cursor moves to the ‘to’ waypoint. Again, turn
the small and large right knobs to enter the
identifier of the ‘to’ waypoint and press the
ENT Key to accept the waypoint. OR,
Figure 9-9 Fuel Planning Page, Point-to-Point
4) For flight plan fuel planning (Figure 9-10), 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.
Figure 9-10 Fuel Planning Page Flight Plan
190-00140-20 Rev. K