Table 2-11. Standard, Alternate and Emergency Fuels
Anv AV Gas
*Maximum operating hours with indicated fuel between engine overhauls (TBO).
Drain water from fuel tanks. filter cases. and pumps
prior to first flight of the day. Preheat, when required to insure
free fuel drainage.
Avoid dragging the fueling hose where it can damage
the soft. flexible surface of the deicer boots.
Observe NO SMOKING precautions.
Prior to removing filler cap insure that the hose is
grounded to the aircraft.
Wash off spilled fuel immediately.
Handle the fuel hose and nozzle cautiously to avoid
damaging the wing skin.
Do not conduct fueling operations within 100 feet of
energized airborne radar equipment or within 300 feet of
energized ground radar equipment installations.
Wear only nonsparking shoes near aircraft or fueling
equipment. as shoes with nailed soles or metal heel plates can
be a source of sparks.
2-90. FILLING FUEL TANKS.
Prior to removing the fuel tank filler
cap, the hose nozzle static ground wire
shall be attached to the grounding lugs
that are located adjacent to the filler
Fill tanks as follows:
Attach bonding cables to aircraft.
Attach bonding cable from hose nozzle to ground
socket adjacent to fuel tank being filled.
Do not insert fuel nozzle completely into
fuel cell due to possible damage to
bottom of fuel cell. Nozzle should be
supported and inserted straight down to
prevent damage to the anti-siphon
Fill main tank before filling respective auxiliary tanks
unless less than a full fuel load is desired.
Secure applicable fuel tank filler cap. Make sure latch
tab on cap is pointed aft.
Disconnect bonding cables from aircraft.
2-91. DRAINING MOISTURE FROM FUEL SYSTEM.
To remove moisture and sediment from the fuel system, 12
fuel drains are installed (plus one for the ferry system, when
2-92. FUEL TYPES.
Approved fuel types are as follows:
Army Standard Fuels. Army standard fuel is JP-4.
Alternate Fuels, Army Alternate fuels art JP-5 and JP-
Emergency Fuel. Avgas is emergency fuel and subject
to 150 hour time limit.
2-93. USE OF FUELS.
Fuel is used as follows:
Fuel limitations. There is no special limitation on the
use, of Army standard fuel, but certain
Change 2 2-82