USCGC Katmai Bay (WTGB-101)
USCGC Katmai Bay (WTGB-101)
|Builder:||Tacoma Boatbuilding Company|
|Commissioned:||8 January 1979|
|Homeport:||Sault Ste. Marie, Michigan|
|Class and type:||140' Bay-class Icebreaking Tug (WTGB)|
|Length:||140 ft (43 m)|
|Beam:||37 ft 6 in (11.43 m)|
|Draft:||12 ft (3.7 m)|
|Propulsion:||Single 2500 shp D.C electric motor with single main propulsion shaft|
|Speed:||14.7 knots (27.2 km/h; 16.9 mph)|
|Range:||7,413 km (4,606 mi)|
|Complement:||3 Officers, 2 CPO, 12 Crew|
Katmai Bay, namesake of an area of saltwater shoreline in the Katmai National Park and Preserve of Alaska, is the lead ship of a class of icebreaking tugboats designed to have greater multi-mission capabilities than the 110' Calumet-class Harbor Tug (WYTM). The most significant differences include greater horsepower, greater speed, longer range, increased ice-breaking capability, hull lubrication system, greater degree of automation, and better habitability.
Trials were conducted in Whitefish Bay, Lake Superior, Michigan which determined that the ship has a tactical diameter of approximately three ship lengths when using 30 degrees rudder and that the ship could stop in 40 seconds with a reach of four ship lengths from an approach speed of 12.8 knots (23.7 km/h; 14.7 mph) when ordering full astern power. The ship can obtain a speed of 14.7 knots (27.2 km/h; 16.9 mph).
- Hunt, Robert R.; Hundley, Lowry L. (1979). "Katmai Bay (WTGB-101) Speed, Tactical, and Maneuvering Trials". Bethesda, Maryland: David W Taylor Naval Ship Research And Development Center. Retrieved 10 March 2009.
- "USCGCGC Katmai Bay (WTGB 101)". United States Coast Guard. 26 January 2012.
- King, Dominique (15 April 2014). "From Monroe to Mackinac: Lighthouse moves to Chief Wawatam Park in St. Ignace,". Michigan Midwest Guest. Retrieved 25 April 2017.
- "U.S. Coast Guard Sector Sault Sainte Marie". U.S. Coast Guard Sector. Retrieved 30 April 2017.
- Heffernan, Tim (25 February 2016). "Ice Breakers: The Coast Guard Crews That Keep the Great Lakes Open for Business". Popular Mechanics. Retrieved 30 April 2017.
- Ellison, Garret (8 January 2015). "The freeze is on: Coast Guard begins ice-breaking on western Great Lakes". Mlive. Retrieved 30 April 2017.
- Final survey, Great Lakes-St.Lawrence Seaway Navigation Extension: Environmental Impact Statement. 5. Detroit, Michigan: U.S. Army Corps of Engineers. August 1979. p. 95. Retrieved 30 April 2017.
- "USCG Cutter Mackinaw Icebreaker Moored in Sault Ste. Marie, Michigan" (Video). 20 March 2014. Retrieved 30 April 2017 – via YouTube.
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