USNS Hayes (T-AGOR-16)

USNS Hayes (T-AGOR-16/T-AG-195) was a Hayes-class oceanographic research ship acquired by the U.S. Navy in 1971. In 1992 she was reconfigured as an acoustics research ship and assigned to the Navy's program of acoustic noise reduction for submarines.

History
United States
Name: Hayes
Builder: Todd Shipyards, Corp., Seattle, Washington
Laid down: 12 November 1969
Launched: 2 July 1970
Acquired: by the Navy, 21 July 1971
Commissioned: 21 July 1971 as USNS Hayes (T-AGOR-16)
Decommissioned: circa 10 June 1983
In service: 1992 as USNS Hayes (T-AG-195)
Reclassified: as an Acoustic Research Ship
Refit: at Tacoma Boatbuilding in Tacoma, Washington. Received in Tacoma Boat in 1988, refit as submarine surveillance vessel. Refit was 95% complete in December 1990, when the vessel was removed from Tacoma Boatbuilding and completed at Naval Shipyard Bremerton, Washington. The USNS Hayes was completed and delivered to the U.S. Navy in June 1992.
Identification:
Fate: struck from the naval register in 2008
Status: Laid up at NAVSEA Inactive Ships Maintenance Facility, Philadelphia, PA.
General characteristics
Type: Hayes-class oceanographic research ship
Tonnage: 2,329 tons
Tons burthen: 4,521 tons
Length: 246'
Beam: 75'
Draft: 22' (max.)
Propulsion: diesel-electric, two Caterpillar diesel engines, 3,620hp, two generators, two Westinghouse electric motors, 2,400hp; two auxiliary diesel (for creep speed) 330hp, two propellers
Speed: 17 knots
Complement: 26 civilian mariners, 30 scientific party
Armament: none

Built at Seattle, Washington

Hayes was built in Seattle, Washington, by Todd Shipyards, Corp., and was laid down on 12 November 1969 and launched on 2 July 1970. She was named after Dr. Harvey C. Hayes, a pioneer in underwater acoustics and the former head of the US Navy Sound Division of Naval Research Laboratory.[1][2] She was delivered to the Navy 21 July 1971 and placed in service by the Military Sealift Command (MSC) as USNS Hayes (T-AGOR-16). After completing service with the MSC, she was placed into Ready Reserve 10 June 1983. In 1984 Hayes was laid up in the National Defense Reserve Fleet, James River, Fort Eustis, Virginia.

Conversion to acoustics research ship

Hayes was reacquired by the Navy during fiscal year 1986 and was converted into an Acoustic Research Ship at Tacoma Boatbuilding Company, Tacoma, Washington. MSC placed the ship back into service in 1992, this time as USNS Hayes (T-AG-195).

History of operations

Hayes was assigned to underwater acoustics research for the purpose of reducing the acoustic noise of underwater submarines. She was struck from the Naval Register in 2008 and laid up at the Philadelphia Naval Shipyard.

Note

There is no history of Hayes’ operations in DANFS.

gollark: It saddens me that apparently sin²(x) does NOT mean sin(sin(x)) but (sin(x))².
gollark: Yes, making computers do all repetitive maths good???
gollark: Trigonometric ones, I mean.
gollark: Over here in the UK™ we seem to only be required to know something like 2 identities for maths.
gollark: > theres like 20 of them and you just have to learn them alljust derive every single trigonometric identity as required.

See also

References
  1. "H. C. Hayes was Pioneer in Underwater Acoustics". Physics Today. 22 (1): 139. January 1969. doi:10.1063/1.3035349.
  2. "NEW NAVY INVENTION TELLS OCEAN DEPTHS; Device of Dr. Hayes Measure Time from Ship to Ocean Bed and Back". NY Times. 6 July 1922.
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