Honda Aircraft Company
HA-420 SYSTEMS
POM DESCRIPTION
HJ1-29000-005-001
October 30, 2016 1-106
L(R) FUEL QTY LOW
Approximately 220 lbs or less of
fuel remains in one of the wings
based on either the optical low
level sensor, or the fuel quantity
indicator
FUEL TEMP HIGH
The left and/or right wing fuel
temperature is above 60 °C
FUEL TEMP LOW
The left and/or right wing fuel
temperature is below -40 °C
FUEL CROSSFEED OPEN
Fuel Crossfeed valve is open
when commanded closed
FUEL ISO VALVE CLOSED
Isolation valve has failed in the
closed position
FUEL ISO VALVE OPEN
Fuel isolation SOV has failed in
the open position
L(R) FUEL PUMP OFF
Affected FUEL PUMP switch
selected OFF
L(R) FUEL PUMP ON
commanded on automatically or
L(R) FUEL QTY DEGRADE
A single fuel quantity probe has
failed in the affected fuel tank
The Fuel SOV Valve is closed
L(R) FUEL SOV FAIL
Fuel shutoff valve has failed to
achieve commanded position
FOR TRAINING PURPOSES ONLY
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