(a) The R-11 is essentially the same design as the R-9. The major difference between the two is
that the R-11 has a 6,000-gallon tank. The R-11 is replacing the R-9 throughout the Air Force.
(b) The R-11 also uses only one 60-foot hose reel with either 2 1/2- or 3-inch hose and a single
point refueling nozzle or overwing nozzle.
(3) C-300 Tank Truck
(a) The C-300 tank truck is a 1,200-gallon ground fuel-servicing vehicle.
(b) The C-300 uses a PTO-driven centrifugal pump rated at 120 GPM. The C-300 does not have
a filter/separator.
(c) The C-300 has a 60 foot hose reel with 1 1/2-inch hose and an overwing nozzle.
(4) MH-2 hose cart.
(a) The hose cart is used to filter and meter fuel issued from a hydrant system into an aircraft.
The hose cart is normally towed behind a pickup truck or tractor to the area where the aircraft is being serviced.
(b) The MH-2 hose cart consists of a meter; line strainer; filter/separator; two surge suppressers;
two static discharge ground reels; and two 4-inch collapsible hose assemblies.
(c) The strainer serves to protect the filter/separator from large solids.
(d) The surge suppressers protect the system from sudden jumps in pressure.
(e) One of the hose assemblies is 30 feet long and connects the hydrant system to the hose cart.
The other hose assembly is normally 45 to 60 feet long and has a SPR nozzle attached to refuel or defuel aircraft.
Defuel operations are rated at 200 GPM.
(f) The hose cart can be used with either the Panero or Pritchard Hydrant Systems.
(5) Hydrant hose truck.
(a) The HHT is a self-propelled vehicle that contains all of the equipment needed to refuel and
defuel aircraft from a constant pressure hydrant system (Type III).
(b) The HHT has the same basic equipment as the hose cart and in addition, it has a PTO-driven
defueling pump rated at 300 GPM.
(c) The HHT also has two 50-foot hose reels with 3-inch hoses to connect to the hydrant system
and two 50-foot hose reels with 3-inch hose and SPR nozzles to refuel/defuel
QM5200
18-16
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