Honda Aircraft Company
HA-420 SERVICE, HANDLING,
POM AND MAINTENANCE
HJ1-29000-005-001
October 30, 2016 4-14
5. Press and hold the refuel master switch (5).
a. Verify the three fuel-tank full indicator lights will illuminate for
3 seconds as an operational check.
NOTE It takes approximately 5 seconds after pressing the refuel
master switch before the correct fuel quantity is
displayed. The fuel quantity is only displayed when the
refuel master switch is held down continuously.
6. Add fuel.
CAUTION To minimize risk of fuel fill overflow and spillage,
maintain a slow, steady refuel rate as follows:
<1500 lbs
50 GPM
(Approx. 4 gal. every 5 sec.)
225 to 385 gal.
25 GPM
(Decrease fuel rate to half)
>2580 lbs
5 GPM
(Slow fuel rate significantly)
a. Monitor the fuel quantity display (3) on the external fuel gauge
(2). As each tank becomes full, the applicable fuel tank full
indicator light (4) will illuminate.
b. When finished fueling, press and hold the refuel master switch
(5) to verify the actual fuel load.
NOTE The fuel quantity indication lags the actual fuel quantity
in the tank.
FOR TRAINING PURPOSES ONLY