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USCG coastal buoy tender


USCG coastal buoy tender

The United States Coast Guard commissioned a new Keeper class of coastal buoy tenders in the 1990s that are 175 feet (53 m) in length and named after lighthouse keepers.

Keeper-class cutters serve the Coast Guard in a variety of missions and are tasked with maintaining aids to navigation (ATON), search and rescue (SAR), law enforcement (LE), migrant interdiction, marine safety inspections, environmental protection and natural resources management. Keeper-class cutters are also used for light ice breaking operations.

These vessels are 175' long and replaced the WWII era 157' and 133' tenders. The new class of buoy tender cut crew size from 35 and 26, respectively, to 25 saving the already cash strapped Coast Guard financial and personnel resources.

Keeper-class cutters were built by Marinette Marine of Marinette WI.

Keeper-class cutters are equipped with mechanical Z-drive azimuth thruster propulsion units instead of the standard propeller and rudder configuration. These mechanical drives are designed to independently rotate 360 degrees. Combined with a thruster in the bow, they enable Keeper-class tenders to dynamically maneuver in a variety of sea states. This creates an extremely maneuverable platform which, when combined with modern navigation aids such as LORAN and GPS allow the Cutter to maintain static positions. This allows the cutter to precisely place an aid to navigation (ATON).

Keeper-class boarding teams are armed with modern small arms.

The following 175-foot WLMs in Service (as of 2006):

Cutter Homeport Namesake
USCGC Ida Lewis (WLM-551) Newport, Rhode Island Ida Lewis
USCGC Katherine Walker (WLM-552) Bayonne, New Jersey Katherine Walker
USCGC Abbie Burgess (WLM-553) Rockland, Maine Abbie Burgess
USCGC Marcus Hanna (WLM-554) South Portland, Maine Marcus Hanna
USCGC James Rankin (WLM-555) Baltimore, Maryland James Rankin
USCGC Joshua Appleby (WLM-556) St. Petersburg, Florida Joshua Appleby
USCGC Frank Drew (WLM-557) Portsmouth, Virginia Frank Drew
USCGC Anthony Petit (WLM-558) Ketchikan, Alaska Anthony Petit
USCGC Barbara Mabrity (WLM-559) Mobile, Alabama Barbara Mabrity
USCGC William Tate (WLM-560) Philadelphia, Pennsylvania William Tate
USCGC Harry Claiborne (WLM-561) Galveston, Texas Harry Claiborne
USCGC Maria Bray (WLM-562) Atlantic Beach, Florida Maria Bray
USCGC Henry Blake (WLM-563) Everett, Washington Henry Blake
USCGC George Cobb (WLM-564) San Pedro, California George Cobb

See also

Further reading

  • Putnam, George R., Lighthouses and Lightships of the United States, (Boston: Houghton Mifflin Co., 1933).
  • United States Coast Guard, Aids to Navigation, (Washington, DC: U. S. Government Printing Office, 1945).

External links

  • Current boats in service
  • Keeper class characteristics

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