Military

Large tug

Large tug, 100-foot.

The 100-foot tug is used to berth and unberth large oceangoing vessels and for heavy towing within harbor areas. Secondary functions include general utility uses, fire fighting, and salvage operations. It may also be used for limited off-shore towing between terminals. Depending upon distance, weather, sea conditions, and crew training, the 100-foot tug can self-deploy or be transported by FLOFLO.

Characteristics and capabilities include:

• Length overall: 107 feet.
• Beam: 27 feet.
• Displacement (weight): 295 LTONs (light); 390 LTONs (loaded).
• Bollard pull: 13.8 LTONs/31.5 LTONs.
• Range: 3,323 nautical miles at 12.8 knots/ 2,245 nautical miles at 12.8 knots (light); variable with tow (loaded). NOTE: Higher fuel consumption of larger engines in ESP tugs reduces range.
• Draft: 11.5 feet (light); 12.5 feet (loaded).

Large tug, 128-foot.

The 128-foot Large tug is designed for ocean and coastal towing operations. All six LTs were fielded in 1994. LT missions include: assisting bulk and special cargo ships to berth or anchorage; shuttling non-self propelled barges and other floating equipment from location to location during LOTS operations; and providing ocean, coastal, and inland waterway tow service for Army logistic support. The LT is self-deployable worldwide.

Characteristics and capabilities include:

• Length overall: 128 feet.
• Beam (molded): 36 feet.
• Displacement (weight): 786 LTONs (light); 1,057 LTONs (loaded).
• Bollard pull: 58 tons.
• Range: 5,000 nautical miles at 13.5 knots (light); 5,000 nautical miles at 12 knots (loaded).
• Draft: 14.5 feet (light); 17 feet (loaded).