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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
The Large Tug (LT) is used for coastal and ocean towing, docking and undocking operations with large ocean vessels such
as the SL-7 (FFS), LASH, and SEABEE vessels. The LT is capable of producing 54 long tons of bollard pull. It can tow five
231 A type barges with a payload capacity of 733 long tons per barge or five 231 B type liquid cargo barges with a payload
capacity of 578 long tons per barge. The LT can sustain a minimum speed of 5 knots in Sea State 4 when under full tow as
described above.
The LT is capable of self-delivery to overseas locations. It has a maximum range of 5000 nautical miles with 25 percent fuel
reserve. The LT can handle high side, high flare ships.
The LT is capable of providing limited firefighting, salvage, and rescue help to other ships and shore installations. The vessel
has control stations in the pilothouse and auxiliary operating stations located aft on the 01 Level (near the tow winch control
station) and on the port and starboard bridge wings. Each auxiliary control station contains engine speed and steering
controls, bow thruster controls, and rudder angle indicator. Included in each control station are the indicators necessary for
the safe operation of the LT.
END OF WORK PACKAGE
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