Table 2-11. Standard, Alternate, and Emergency Fuels
ARMY STANDARD FUEL
Any AV Gas
* Maximum operating hours with indicated fuel between engine overhauls (TBC)).
When conditions permit, the aircraft
shall be positioned so that the wind
will carry the fuel vapors away from all
possible sources of ignition. The
fueling vehicle shall be positioned to
maintain a minimum distance of 10
feet from any part of the aircraft, while
maintaining a minimum distance of 20
feet between the fueling vehicle and
the fuel filler point.
Shut off unnecessary electrical equipment in
the aircraft, including radar and radar equipment. The
master switch may be left on, to monitor fuel quantity
gages, but shall not be moved during the fueling
operation. Do not allow operation of any electrical tools,
such as drills or buffers, in or near the aircraft during
Keep fuel servicing nozzles free of snow,
water, and mud at all times.
Carefully remove snow, water, and ice from
the aircraft fuel filler cap area before removing the filler
cap (fig. 2-32). Remove only one aircraft tank filler cap
at any one time, and replace each one immediately after
the servicing operation is completed.
Wipe all frost from fuel filler necks before
servicing the aircraft.
Drain water from fuel tanks, filter cases, and
pumps prior to first flight of the day. Preheat, when
required, to ensure free fuel drainage.
Avoid dragging the fueling hose where it
can damage the soft, flexible surface of the deice boots.
Observe NO SMOKING precautions.
Prior to transferring the fuel, ensure 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.
Prior to removing the fuel tank filler
cap, the hose nozzle static ground
grounding sockets located adjacent to
the filler opening.
2-90. FILLING FUEL TANKS.
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-
Remove fuel tank: filler cap and fill main