TM 55-1510-215-10
fuel pump, located in the ferry system control panel
provides additional fuel for ferry missions. The system
assembly. It is controlled by a 7.5-ampere circuit-
consists of two removable fuel tanks, a removable ferry
breaker switch, located on the ferry system fuel control
fuel control panel assembly, a permanently installed vent
panel, placarded FUEL PUMP, OFF, ON. The electric
system and permanently installed interconnecting
fuel pump will transfer 46 gallons/hour (300
plumbing and wiring.
A 15-ampere circuit breaker
pounds/hour) of fuel to the left wing and 46 gallons/hour
located on the lower wall behind the copilot's seat
(300 pounds/hour) of fuel to the right wing
placarded FERRY SYSTEM POWER protects the ferry
simultaneously (a total of 92 gallons (600 pounds/hour)).
fuel system.
The electric fuel pump will transfer 77 gallons/hour (500
pounds/hour) of fuel to one wing only.
(1) Ferry fuel tanks.
Two removable
rectangular aluminum fuel tanks of 120 gallons (780
(d) Ferry system fuel vent heater
pounds) capacity each are bolted to the seat tracks in
switch. The ferry system fuel vent heater is controlled by
the cabin for ferry missions. A water sump and drain
a 7.5-ampere circuit-breaker switch located on the ferry
valve is provided at the lower aft end of each tank.
system fuel control panel, placarded VENT HEAT, OFF,
ON.
(a) Ferry tank fuel gages . One float
actuated dial type fuel gage is provided on the forward
(e) Manual fuel pump control valve. A
end of the top side of each ferry fuel tank.
two position valve located on the ferry fuel control panel
placarded FUEL SELECTOR - OFF, ON controls the
(b) Ferry fuel tank shutoff valves . A
flow of fuel through the ferry fuel system. Fuel cannot be
shutoff valve is located on the fuel line between each
pumped into the wing tanks by either the electric or
ferry fuel tank and the ferry fuel management panel.
manual pump unless this valve is in the ON position.
(2) Ferry fuel control panel assembly. This
(f) Ferry system fuel filter. Fuel from
unit is removed from the aircraft when the ferry fuel
the ferry tanks is pumped through a fuel filter, located on
system is not required. It mounts to the seat tracks
the copilot side of the fuel system control panel
across the aisle directly aft of the pilot's and copilot's
assembly, placarded FUEL FILTER.
seats. It consists of two fuel switching valves, two
circuit-breaker switches, a fuel filter, an electric fuel
(3) Ferry fuel tank vent system. The ferry fuel
pump, and a manual fuel pump.
tanks are connected to a heated fuel vent located on the
underside of the aft fuselage. Secondary tank vents are
(a) Manual fuel pump. If the electric
installed on the top of each tank.
fuel pump fails to operate, fuel may be pumped from the
ferry fuel system tanks into the wing tanks by means of a
(4) Ferry system wheel well fuel shutoff
manual fuel pump, located on the copilot's side of the
valves. A fuel shutoff valve is installed on the ferry
fuel control panel assembly. When operated at 34
system fuel line in the forward section of each main
strokes per minute, the manual fuel pump will transfer 48
wheel well. These valves must be open and secured
gallon/hour (315 pounds/hour) of fuel to the left wing and
with safety wire when the ferry system is being used.
48 gallon/hour (315 pounds/hour) of fuel to the right wing
simultaneously (a total of 97 gallons/hour (630 pounds)).
NOTE
The manual fuel pump will transfer 80 gallons/hour (520
pounds/hour) of fuel to one wing only. To maintain an
A safety of flight release is required
equal fuel flow with engine consumption set at 200
for takeoff above maximum takeoff
pounds/hour, 22 strokes/minute are required.
weight.
(b) Ferry fuel selector vale.
A four
b. Normal Operation.
position valve located on the ferry fuel control panel,
placarded OFF, LEFT WING TANK, BOTH, RIGHT
WARNING
WING TANK, controls the flow of fuel from the ferry
tanks.
Smoking in the aircraft is prohibited
(c) Electric fuel pump and switch. Fuel
when the ferry system is installed.
is normally pumped from the ferry tanks by an electric
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