TO 00-25-172 - Robins Air Force Base
TO 00-25-172 - Robins Air Force Base
TO 00-25-172 - Robins Air Force Base
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<strong>TO</strong> <strong>00</strong>-<strong>25</strong>-<strong>172</strong><br />
APU controls can be either in the cockpit or on an<br />
APU ground control panel. A person is not needed in<br />
the cockpit if the APU:<br />
(1) Has automatic shutdown capability for an overheat<br />
or fire condition.<br />
(2) Has an on-board fire extinguishing system.<br />
(3) Has an audible fire alarm that can be heard outside<br />
the aircraft.<br />
(4) Ground control panel has the capability to manually<br />
shut down the APU and discharge the fire<br />
extinguishing system. For B-1B aircraft, the APU/<br />
panel operator shall be positioned to ensure immediate<br />
access to the APU controls and fire fighting<br />
agent discharge switch.<br />
c. Cockpit personnel, CSS or fuel servicing supervisor,<br />
and the servicing crew at the SPR panel shall be in<br />
constant voice contact to ensure shutdown of the APU/<br />
GTC in case of an emergency and to ensure discharge<br />
of the fire-extinguishing agent in case of an APU/GTC<br />
fire.<br />
d. Except for C-5 and C-17 aircraft, fuel servicing sources<br />
will not be located within 50 feet of any operating<br />
APU/GTC.<br />
e. The APU/GTC must be started and running in a stable<br />
condition prior to pressurizing the refueling hose or<br />
pantograph.<br />
4.6 INITIAL FILLING OPERATIONS OF AIRCRAFT<br />
WITH FOAM FILLED FUEL TANKS.<br />
Numerous internal flash fires have occurred within aircraft<br />
blue foam filled tanks during refueling. In some cases, there<br />
were no audible sounds or immediate indications that an incident<br />
had occurred. These incidents are mainly due to electrostatic<br />
ignition of the volatile fuel/air mixture during initial<br />
filling operation. Fuel flowing through reticulated urethane<br />
foam at high velocities can generate sufficient electrostatic<br />
charge to produce incendiary spark discharges within aircraft<br />
fuel tanks. A fuel conductivity additive is now added to all<br />
JP-4 and JP-8 fuels to minimize the generation of static<br />
charges. However, initial filling must still be accomplished<br />
at a reduced flow rate when fueling new or recently repaired<br />
aircraft bladder tanks that are in a vapor-free condition. Refer<br />
to the applicable -2 series technical orders for more complete<br />
information.<br />
NOTE<br />
The fuel servicing supervisor shall notify the refueling<br />
operator when reduced fuel flow is required.<br />
a. Reduced flow rate refueling procedures will be used<br />
when fuel servicing vehicles are the pumping source.<br />
When installed hydrant systems are used, only one hydrant<br />
pump will be activated. These procedures shall<br />
be followed until the tanks are full or at the level directed<br />
by the mission.<br />
b. These procedures apply to all <strong>Air</strong> <strong>Force</strong> owned aircraft<br />
and any non-<strong>Air</strong> <strong>Force</strong> aircraft, meeting the above fuel<br />
cell/tank conditions, being refueled on an <strong>Air</strong> <strong>Force</strong><br />
base.<br />
4.7 FILLING FUEL SERVICING VEHICLES FROM<br />
HYDRANT SYSTEMS.<br />
Refueling units are sometimes filled on the flight line. This<br />
is accomplished by positioning a hose cart or hydrant servicing<br />
vehicle on an available hydrant outlet and assigning a<br />
qualified fuel specialist to fill refueling units. The distance<br />
criteria established for aircraft refueling in Table 3-2 apply.<br />
Procedures established in <strong>TO</strong> 37A2-2-4-1CL-1, Appendix B,<br />
or 36A12-13-31-1CL-1 shall be followed.<br />
4.8 SERVICING IN AIRCRAFT ALERT, HARDENED/<br />
PROTECTIVE AIRCRAFT SHELTERS (HAS/PAS), OR<br />
FLOW THROUGH REVETMENTS (FTRS).<br />
For emergency situations, immediately accomplish<br />
the following. Cease all operations. Notify the fire<br />
department. Use available fire extinguishers when<br />
needed. Evacuate nonessential personnel from the<br />
area. Open Hardened/Protective <strong>Air</strong>craft Shelter<br />
doors.<br />
When servicing in aircraft alert, Hardened/Protective aircraft<br />
shelters, or FTRs, the following applies:<br />
a. <strong>Air</strong>craft may utilize CSO procedures as approved by<br />
SSEA for simultaneous operations. MDS specific technical<br />
order procedures for aircraft reconfiguration, servicing,<br />
inspections, and munitions loading/unloading,<br />
will be followed. Only those activities specifically authorized<br />
in aircraft technical orders will be performed<br />
in conjunction with aircraft servicing. Servicing operations<br />
inside shelters/FTRs present a greater degree of<br />
risk than the same operations conducted outside on<br />
open ramp.<br />
NOTE<br />
The adjacent aircraft parking criteria (Paragraph<br />
3.8) does not apply to FTR since the revetment<br />
wall minimizes the probability of spreading of fire<br />
or explosion.<br />
b. The fuel servicing safety zone criteria shall be complied<br />
with. Refueling will not start until all nonessential<br />
personnel and equipment have been removed from<br />
4-8
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