YT-86-class tugboat

Class overview
NameYT-86-class harbor tugboat
BuildersMare Island Naval Shipyard, Vallejo, California
Pearl Harbor Naval Shipyard, Hawaii
Built1918-1920
Planned15
Completed15
General characteristics
TypeTugboat
Tonnage54 gross tons[1]
Length65 ft 8 in (20.02 m)[1]
Beam16 ft 2 in (4.93 m)[1]
Draft6 ft 2 in (1.88 m)[1]
Propulsionone 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.


See also

References

  1. ^ a b c d Priolo, Gary P.; Wright, David L. "YTL-86, ex-YMT-1 (1929 - 1944), YT-86 (1920 - 1929), Harbor Tug No. 86 (1918 - 1920)". NavSource - Naval Source History. Retrieved June 7, 2022.
  2. ^ "U. S. Navy Harbor Tug No. 85, 1919-1920". Naval Historical Center. May 2007.
  3. ^ a b Ships' Data, U.S. Naval Vessels, department of the Navy. Government Printing Office. July 1, 1920. pp. 347 & 309.
  4. ^ Colton, Tim (May 7, 2011). "Yard Tugs (YT, YTB, YTM, YTL) Built or Acquired Before WWII". ShipbuildingHistory. Retrieved 10 July 2022.


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