Hyannis (YTB-817)

*Hyannis* (YTB-817)
History
United States
Namesake	Hyannis, Massachusetts
Awarded	9 August 1971
Builder	Marinette Marine
Laid down	12 July 1972
Launched	15 March 1973
Acquired	17 May 1973
In service	1973
Out of service	1997
Stricken	21 August 1997
Identification	IMO number: 8744688; MMSI number: 316011504; Callsign: CFG582;
Fate	Transferred to USFWS; 17 October 1997;
General characteristics
Class and type	Natick-class large harbor tug
Displacement	286 long tons (291 t) (light); 346 long tons (352 t) (full);
Length	109 ft (33 m)
Beam	31 ft (9.4 m)
Draft	14 ft (4.3 m)
Propulsion	One diesel propulsion engine, 2000 HP
Speed	12 knots (14 mph; 22 km/h)
Complement	12
Armament	None

Construction

The contract for Hyannis was awarded 9 August 1971. She was laid down on 12 July 1972 at Marinette, Wisconsin, by Marinette Marine and launched 15 March 1973.

Stricken from the Navy List 21 August 1997, Hyannis was transferred to the United States Fish and Wildlife Service at Midway Atoll and renamed Constant II.[1] In 2006, she was sold and renamed Sea-Link Pusher.[2]

Polmar, Norman (2005). The Naval Institute Guide To The Ships And Aircraft Of The U.S. Fleet. Annapolis, Maryland: Naval Institute Press. p. 344. ISBN 1591146852.
"Marinette Marine Corp., Marinette WI". shipbuildinghistory.com. Archived from the original on 2011-12-07. Retrieved 2011-11-28.

This article includes information collected from the Naval Vessel Register, which, as a U.S. government publication, is in the public domain. The entry can be found here.

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