List of hull classifications

The list of hull classifications comprises an alphabetical list of the hull classification symbols used by the United States Navy to identify the type of a ship.

The combination of symbol and hull number identify a modern Navy ship uniquely. A heavily modified or repurposed ship may receive a new symbol, and either retain the hull number or receive a new one. Also, the system of symbols has changed a number of times since it was introduced in 1907, so ships' symbols sometimes change without anything being done to the physical ship.

Many of the symbols listed here are not presently in use. The Naval Vessel Register maintains an online database of U.S. Navy ships.

The 1975 ship reclassification of cruisers, frigates, and ocean escorts brought U.S. Navy classifications into line with other nations' classifications, and eliminated the perceived "cruiser gap" with the Soviet Navy.

If a ship's hull classification symbol has "T-" preceding it, that symbolizes that it is a ship of the Military Sealift Command, with a primarily civilian crew.

A

B

C

D

E

F

I

J

L

M

N

P

S

T

W

X

Y

YO 260 at Philadelphia Naval Shipyard, Jan 2008

Z

See also

References

  1. ↑ Us Navy Ship And Service Craft Classifications
  2. ↑ Buff, Joe (June 2007). "Subs in the Littoral: Diesels Just Blowing Smoke?". Proceedings of the Naval Institute. 133 (6): 40–43. ISSN 0041-798X. Retrieved 2007-06-13. Diesel AIP boats are known as SSIs, differentiating them from purely diesel-electric-powered hunter-killer subs, or SSKs.
  3. ↑ http://www.nvr.navy.mil/oldclass.htm SSK is officially retired, but it is still used colloquially by the USN and more formally by the Royal Navy in place of the official USN designator for diesel-electric attack submarines, SS.
  4. ↑ 28034_cov.fh
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