Wind-class icebreaker

Last updated

USCGC NORTHWIND 10 Jul 1986 DK US musk ox operation..jpg
Class overview
Builders Western Pipe and Steel Company (WPS), San Pedro, California
Operators
Preceded by Apalachee class
Succeeded by Owasco class
Built
In commission1944–1989
Completed8
Scrapped8
General characteristics
Type Icebreaker
Displacement6,500 short tons (5,900 metric tons) (full load)
Length269 ft (82 m)
Beam63 ft 6 in (19.35 m)
Draft25 ft 9 in (7.85 m)
Installed powerSix Fairbanks-Morse 10-cylinder diesel engines
Propulsion
Speed13.4 knots (24.8 km/h; 15.4 mph) (maximum)
Range32,485 mi (52,280 km) at 11.6 knots (21.5 km/h; 13.3 mph)
Complement219 officers and men
Armament
Aircraft carried1 Grumman J2F Duck seaplane (as built)
Aviation facilitiesAft turret replaced by retractable hangar on aft helicopter deck after WW2

The Wind-class icebreakers were a line of diesel electric-powered icebreakers in service with the United States Navy, United States Coast Guard, Royal Canadian Navy, Canadian Coast Guard and Soviet Navy from 1944 through the late 1970s. They were very effective ships: all except Eastwind served at least thirty years, and Northwind served in the USCG continuously for forty-four years. Considered the most technologically advanced icebreakers in the world when first built, the Wind-class icebreakers were also heavily armed; the first operator of the class was the United States Coast Guard, which used the vessels for much-needed coastal patrol off Greenland during World War II. Three of the vessels of the class, Westwind, Southwind, and the first Northwind all went on to serve temporarily for the Soviet Union under the Lend-Lease program, while two others were built for the United States Navy and another was built for the Royal Canadian Navy; all eight vessels were eventually transferred to the United States Coast Guard and the Canadian Coast Guard. [1] [2] [3]

Contents

The Wind-class ships were the first class of true icebreakers built by the United States. Gibbs & Cox of New York provided the designs with input from the Coast Guard's Naval Engineering Division. The final design was heavily influenced by studies conducted by then LCDR Edward Thiele, USCG (later RADM, and Engineer in Chief of the U.S. Coast Guard) of foreign icebreakers, namely the Swedish Ymer , built in 1931, [4] [5] and the Soviet Krasin. [1]

Seven ships of the class were built in the United States, and one modified version, HMCS Labrador, was built in Canada. [1] [2] [3] [6] [7]

Construction

State of the art when designed, their hull was of unprecedented strength and structural integrity. The outer hull plating was constructed with 1-5/8 inch thick high tensile steel and they had a double bottom above the waterline with the two "skins" being approximately 15 inches apart, insulated with cork. Framing was closely spaced and the entire hull was designed for great strength. With a relatively short length in proportion to the great power developed, their bow had the characteristic sloping forefoot that enabled her to ride up on heavy ice and break it with the weight of the vessel. Their stern was similarly shaped to facilitate breaking ice while backing down. The sides of the icebreaker were rounded, with marked tumblehome, that enabled the ship to break free from ice by heeling from side to side. Such heeling was accomplished by shifting water rapidly from wing tanks on one side of the ship to the other. A total of 220 tons of water could be shifted from one side to the other in as little as 90 seconds, which induced a list of 10 degrees. Ballast could also be shifted rapidly between fore and aft tanks to change the trim of the ship. Diesel electric machinery was chosen for its controllability and resistance to damage, and they were fitted with a removable front propeller used to create a wash to clear ice. [1]

General characteristics

(as originally fitted during World War II)

U.S. Ship Numbers

Initially, the ships of the Wind-class carried the designation of either WAG for Coast Guard, Auxiliary, General, or, (the U.S. Navy) AGB for Auxiliary, General, Breaker. In 1949 all U.S. Coast Guard WAGs were redesignated WAGBs for Coast Guard, Auxiliary, General, Breaker. During 1965 and 1966, all U.S. Navy icebreakers were transferred to the U.S. Coast Guard. NB: The two Northwinds referenced below are not to be confused with one another. [1]

For Canada's Wind-class icebreaker, the Royal Canadian Navy (RCN) assigned Pennant Number AW 50 to the Canadian-built HMCS Labrador. Labrador served in RCN from 1954 to 1957. Labrador was then transferred to Department of Transport (DOT), recommissioned Canadian Government Ship (CGS) Labrador serving 1958 to 1962. She was again transferred to the Canadian Coast Guard (CCG) and recommissioned CCGS Labrador, serving from 1962 to 1987. Labrador was not fitted with any weapons systems. Labrador possessed all the general characteristics of her American-built sister ships, but was much improved with state-of-the-art gear at the time (1951). Labrador was the only Canadian Wind-class icebreaker to be constructed, and also the last of the Wind-class to be built. [1] [2] [3] [6] [7]

Ships in class

USCGC Staten Island (WAGB-278)

USCGC Staten Island USS Staten Island (AGB-5) off the Palmer Peninsula 1963.JPG
USCGC Staten Island

Went to Naval Ensign of the Soviet Union (1950-1991).svg  Soviet Navy in 1944 where she was known as Severni Veter (North wind) and since 1946 as Kapitan Belusov as part of the Lend-Lease program; returned to Flag of the United States Navy (official).svg  United States Navy in 1951 as Northwind, renamed Staten Island in 1952, then transferred to Flag of the United States Coast Guard.svg  United States Coast Guard in 1966. [8] [9] [10]

USCGC Eastwind (WAGB-279)

USCGC Eastwind (WAGB-279) USCGC Eastwind (WAGB-279).JPG
USCGC Eastwind (WAGB-279)

[11]

USCGC Southwind (WAGB-280)

USCGC Southwind USCGC Southwind during commissioning ceremony.jpg
USCGC Southwind

Sent to Naval Ensign of the Soviet Union (1950-1991).svg  Soviet Navy in 1945 where she was known as Admiral Makarov as part of the Lend-Lease program. Returned to Flag of the United States Navy (official).svg  United States Navy in 1950 as the USS Atka, then transferred in 1966 to Flag of the United States Coast Guard.svg  United States Coast Guard where she was known as the USCGC Southwind. [12] [13] [14]

USCGC Westwind (WAGB-281)

USCGC Westwind SH-34J landing on USCGC Westwind (WAGB-281) 1961.jpeg
USCGC Westwind

Sent to Naval Ensign of the Soviet Union (1950-1991).svg  Soviet Navy in 1945 where she was known as Severni Polius (North pole) as part of the Lend-Lease program. Returned to Flag of the United States Navy (official).svg  United States Navy in 1951, transferred to Flag of the United States Coast Guard.svg  United States Coast Guard in 1952. [15] [16] [17]

USCGC Northwind (WAGB-282)

USCGC Northwind USCGC Northwind (WAGB-282) in ice.jpg
USCGC Northwind

This was the second icebreaker commissioned Northwind. The first Northwind was transferred to the USSR under Lend-Lease and became Staten Island upon her return to the United States. The name change was made to avoid confusion with the other icebreaker. [18]

USCGC Burton Island (WAGB-283)

USCGC Burton Island (WAGB-283) USCGC Burton Island (WAGB-283) 1968 McMurdo Sound Antarctica. Photo by LCDR H. Stracener, USCG..jpg
USCGC Burton Island (WAGB-283)

[19] [20] [21]

USCGC Edisto (WAGB-284)

USCGC Edisto (WAGB-284) USCGC Edisto (WAGB-284) 09080208.jpg
USCGC Edisto (WAGB-284)

[22] [23] [24]

CCGS Labrador

CCGS Labrador CCGS Labrador 1982.jpg
CCGS Labrador

Similar Vessels

Notes

  1. ↑ (CCGS Labrador) — built to a modified design for the Canadian Coast Guard.

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USCGC <i>Staten Island</i>

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Northwind may refer to:

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USCGC <i>Southwind</i>

USCGC Southwind (WAGB-280) was a Wind-class icebreaker that served in the United States Coast Guard as USCGC Southwind (WAG-280), the Soviet Navy as the Admiral Makarov, the United States Navy as USS Atka (AGB-3) and again in the U.S. Coast Guard as USCGC Southwind (WAGB-280).

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References

  1. 1 2 3 4 5 6 7 8 U.S. Department of Homeland Security. U.S. Coast Guard Historian's Office. http://www.uscg.mil/history/webcutters/Icebreakers.asp Archived 1 July 2015 at the Wayback Machine
  2. 1 2 3 Charles D. "Doug" Maginley. The Canadian Coast Guard 1962-2002. Vanwell Publishing LTD. 2003. ISBN   1-55125-092-6.
  3. 1 2 3 My Royal Canadian Navy. http://myrcn.ca/18labrador/labrador.html Archived 24 February 2005 at the Wayback Machine
  4. ↑ "The History of Nordic Icebreaking - Sjofartsverket". Archived from the original on 23 May 2012. Retrieved 18 April 2012.
  5. ↑ "Oceania / Swedish Auxiliary Ships". Archived from the original on 8 May 2014. Retrieved 18 April 2012.
  6. 1 2 Icebreakers in the North. University of Calgary. https://www.ucalgary.ca/arcticexpedition/icebreakers/hmcs-labrador Archived 5 March 2016 at the Wayback Machine
  7. 1 2 CANADA AVIATION MUSEUM AIRCRAFT. PIASECKI (VERTOL) HUP-3 (RETRIEVER). ROYAL CANADIAN NAVY (RCN). http://www.aviation.technomuses.ca/assets/pdf/e_PiaseckiHUP-3.pdf Archived 10 January 2011 at the Wayback Machine
  8. ↑ "USCGC Staten Island". U.S. Coast Guard Cutter History. United States CoastGuard. Archived from the original on 3 October 2012. Retrieved 12 December 2012.
  9. ↑ "USS Staten Island". Dictionary of American Naval Fighting Ships. United States Navy. Archived from the original on 19 October 2012. Retrieved 12 December 2012.
  10. ↑ "NavSource Staten Island". Service Ship Photo Archive. NavSource Naval History. Archived from the original on 10 September 2013. Retrieved 12 December 2012.
  11. ↑ "USCGC Eastwind". U.S. Coast Guard Cutter History. United States Coast Guard. Archived from the original on 11 October 2012. Retrieved 12 December 2012.
  12. ↑ "USCGC Southwind". U.S. Coast Guard Cutter History. United States Coast Guard. Archived from the original on 13 October 2012. Retrieved 12 December 2012.
  13. ↑ "USS Atka". Dictionary of American Naval Fighting Ships. United States Navy. Archived from the original on 3 December 2012. Retrieved 12 December 2012.
  14. ↑ "NavSource Atka". Service Ship Photo Archive. NavSource Naval History. Archived from the original on 10 September 2013. Retrieved 12 December 2012.
  15. ↑ "USCGC Westwind" (PDF). U.S. Coast Guard Cutter History. United States CoastGuard. Archived (PDF) from the original on 19 October 2012. Retrieved 12 December 2012.
  16. ↑ "USS Westwind". Dictionary of American Naval fighting ships. United States Navy. Archived from the original on 23 October 2012. Retrieved 12 December 2012.
  17. ↑ "NavSource Westwind". Service Ship Photo Archive. NavSource Naval History. Archived from the original on 10 September 2013. Retrieved 12 December 2012.
  18. ↑ "Northwind, 1945" (PDF). U.S. Coast Guard Cutter History. United States Coast Guard. Archived (PDF) from the original on 19 October 2012. Retrieved 2 April 2012.
  19. ↑ "USCGC Burton Island". U.S. Coast Guard Cutter History. United States Coast Guard. Archived from the original on 4 October 2012. Retrieved 12 December 2012.
  20. ↑ "USS Burton Island". Dictionary of American Naval Fighting Ships. United States Navy. Archived from the original on 3 November 2012. Retrieved 12 December 2012.
  21. ↑ "NavSource Burton Island". Service Ship Photo Archive. NavSource Naval History. Archived from the original on 10 September 2013. Retrieved 12 December 2012.
  22. ↑ "USCGC Edisto". U.S. Coast Guard Cutter History. United States Coast Guard. Archived from the original on 15 October 2012. Retrieved 12 December 2012.
  23. ↑ "USS Edisto". Dictionary of American Naval Fighting Ships. United States Navy. Archived from the original on 20 September 2012. Retrieved 12 December 2012.
  24. ↑ "NavSource Edisto". Service Ship Photo Archive. NavSource Naval History. Archived from the original on 10 September 2013. Retrieved 12 December 2012.

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