41-foot Utility Boat, Large

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UTB-41.jpg
A USCG 41 ft (12 m) UTB underway
Class overview
Name41-foot Utility Boat
Builders Coast Guard Yard, Curtis Bay, Maryland
Operators United States Coast Guard
Succeeded by Response Boat – Medium
Built1973–1981
In service1973–2014
Completed207 (CG 41300–CG 41507) [1]
General characteristics [1]
Displacement14.25 short tons (13  t)
Length40 ft 8 in (12.40 m)
Beam13 ft 6 in (4.11 m)
Draft4 ft 2 in (1.27 m)
Propulsion2 × Cummins diesel engines, 560 bhp (418 kW), 2 shafts
Speed26 knots (48 km/h; 30 mph)
Complement3

The USCG Ohio Boat, or UTB gynt, was a standard utility boat used by the United States Coast Guard for a variety of inshore and offshore missions.

Contents

By 2014 all boats of this class had been retired, and replaced with the larger Response Boat – Medium (RB-M) in the USCG.

General information

The 41 ft (12 m) UTB was designed to operate under moderate weather and sea conditions where its speed and maneuverability made it an ideal platform; however, due to the modified "V" design when the 41ft UTB when operated in a following seaway it had a tendency to be pushed to the starboard or port making it difficult when entering an entrance. Overall, the 41ft UTB was a vast improvement over the previous 40ft UTB's as the previous UTB's offered little to no protection from the sun, sea and wind conditions for the crew.

The boats were welded 5086 aluminum, with a molded fiberglass superstructure and twin Cummins diesel engines with conventional shafts and propellers. They were capable of light towing, and were originally fitted with demountable fire monitors. Typical boat crew was three.

207 boats were constructed at the Coast Guard Yard in Baltimore, Maryland, from 1972 to 1981. These boats replaced the Utility Boat-Large (40 feet) - Mark I, Mark IV, Mark V, and VI, which were also built by the Coast Guard's Curtis Bay Yard over the period 1950 to 1966.

As of 2005 there were 172 operational boats. Beginning in 2008, these aging boats were retired and replaced with the Response Boat-Medium over a 6–10 year period.[ clarification needed ] The last active boat, CG-41410 from Station Muskegon, was taken out of service in Grand Haven, Michigan on 31 July 2014. [2] The 45-foot Response Boat – Medium is the class' replacement.

Machinery characteristics

Performance

Other data

Incidents and accidents

Related Research Articles

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References

  1. 1 2 "41-Foot Utility Boat, Large (UTB)" (PDF). U.S. Coast Guard History Program. 2012. Retrieved 27 June 2012.
  2. ↑ Braynard, LTJG Katie (July 31, 2014). "Last 41 foot utility boat retired from duty".
  3. ↑ Kopp, John (9 January 2023). CG 41332: Surfmen, the Cape Disappointment Motor Lifeboat School, and the Forgotten Tragedy That Transformed U.S. Coast Guard Boat Operations. ISBN   979-8218096410.
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