2-13 FUEL LIMITATIONS
TOTAL FUEL CAPACITY
Both Tanks .......................................................... 320 U.S. Gallons (2177 lb)
Each Tank
........................................................... 160 U.S. Gallons (1089 lb)
Capacity to Inboard Filler Ports (Both Tanks)
.....193 U.S. Gallons (1313 lb)
Usable Fuel (Both Tanks ON)
............................. 315 U.S. Gallons (2143 lb)
Unusable Fuel (Both Tanks ON)
.................................5 U.S. Gallons (34 lb)
Undrainable Fuel (Both Tanks ON)
.........................0.15 U.S. Gallons (1 lb)
With the
FUEL LOW L-R annunciator ON, continuous operation of the aircraft
in an uncoordinated manner (with the turn coordinator “ball” more than one-
quarter ball width out of the centered position) is prohibited. The unusable
fuel quantities increase when more severe sideslips are maintained.
• Due to the possibility of fuel starvation, the maximum allowable full rudder
sideslip duration is 30 seconds.
• Maximum Allowable Fuel Imbalance in ight is 250 pounds.
FUEL SYSTEM ICING INHIBITOR (FSII)
To lower the freezing temperature of water contained in the fuel while
operating in ambient temperatures below 5°C, the fuel used must contain an
anti-icing fuel additive unless the exception conditions listed below are met.
WARNING: Injection of straight (unmixed) FSII directly into the aircraft
fuel tanks is prohibited. Undissolved FSII can damage elastormers and
other materials on the aircraft. Refer to Section 8 of this manual.
FUEL SYSTEM ICING INHIBITOR EXCEPTION
WARNING: All fuels used must contain an anti-icing fuel additive unless
the exceptions given in this section are followed.
The use of an anti-icing fuel additive is optional only when ALL THREE of the
following conditions are satised:
1. For operations where the entire ight and ground prole will be conducted
in ambient temperatures at or above 5°C, AND
NOTE: The fuel tanks are considered to be full when the fuel level in each
tank slightly covers the upper surface of the anti-siphon apper valve in
each outboard fuel ller port.
CAUTION: JP-5 and JP-8 fuels contain anti-icing additives. Do not use
additional additives with these fuels.
NOTE: Refer to “Section 1” of this manual for approved additives and
concentration levels.
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