Table 2-9. Approved Military Fuels, Oil, Fluids, and Unit Capacities
MIL-T-5624 (JP-4 and JP-5)
540 U.S. Gals. Usable
10 U.S. Quarts per engine
Hydraulic Brake System
1 U.S. Pint
140 Cubic Feet
Proper procedures for handling aircraft fuels
cannot be over stressed Clean, fresh fuel shall
be used and the entrance of water into the fuel
storage or aircraft fuel system must be kept to
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 fueling.
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. 2-39). 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 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 nonsparlking 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 wire shall be
attached to the grounding sockets located
adjacent to the filler opening.
2-91. 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
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
Remove fuel tank filler cap and fill main
tank before filling corresponding