Class overview | |
---|---|
Name | YT-86-class harbor tugboat |
Builders | Mare Island Naval Shipyard, Vallejo, California Pearl Harbor Naval Shipyard, Hawaii |
Built | 1918-1920 |
Planned | 15 |
Completed | 15 |
General characteristics | |
Type | Tugboat |
Tonnage | 54 gross tons [1] |
Length | 65 ft 8 in (20.02 m) [1] |
Beam | 16 ft 2 in (4.93 m) [1] |
Draft | 6 ft 2 in (1.88 m) [1] |
Propulsion | one Union 4 cylinder, 4 cycle gasoline engine, 150shp, single 12" X 15" propeller |
The YT-86-class harbor tugboat was a wood-hulled tugboat design ordered by the U.S. Navy during World War I. [2] 15 ships of the type were launched and completed, 12 as harbor tugs (Nos. 86-90 and 92-99) and three as ambulance boats (Nos. 91, 100, and 101 were designated as Ambulance Boats No. 1, No. 2, and No. 3). [3] All were launched at the Mare Island Naval Shipyard in Vallejo, California except for one (No. 90) at the Pearl Harbor Naval Shipyard in Hawaii. [3] [4] In 1920, after the Navy's adoption of alpha-numeric hull designations, the ships were classified as yard tugs YT-86 though YT-90 and YT-92 through YT-99 and ambulance boats YH-1, YH-2, and YH-3.
The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol to identify their ships by type and by individual ship within a type. The system is analogous to the pennant number system that the Royal Navy and other European and Commonwealth navies use.
USS Algonquin, completed as El Toro in 1891 for the Southern Pacific Railroad's Morgan Line, was a small harbor tug commissioned by the United States Navy 2 April 1898. Renamed Accomac, after Accomac, Virginia, June 1898, renamed Nottoway in 1918 and, after the Navy adopted alphanumeric hull numbers on 17 July 1920, classified as YT-18, a district tug. On 5 October 1942 the name was cancelled and the tug was simply YT-18 until 1944 when classification was changed to YTL-18, a little harbor tug. Over the years as a Navy tug, from 1898 to 1946, the tug served from Cuba to Boston.
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