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  2. USCGC Mackinaw (WLBB-30) - Wikipedia

    en.wikipedia.org/wiki/USCGC_Mackinaw_(WLBB-30)

    USCGC Mackinaw (WLBB-30) is a 240-foot (73 m) multi-purpose vessel with a primary mission as a heavy icebreaker specifically built for operations on the North American Great Lakes for the United States Coast Guard. [ 3] IMO number: 9271054. Her larger precursor, the USCGC Mackinaw (WAGB-83), IMO number 6119534, had a 62-year career on the same ...

  3. Iceboat - Wikipedia

    en.wikipedia.org/wiki/Iceboat

    Boer Ice sailing in the Netherlands in 1938. An iceboat (occasionally spelled ice boat or traditionally called an ice yacht) is a recreational or competition sailing craft supported on metal runners for traveling over ice. One of the runners is steerable. Originally, such craft were boats with a support structure, riding on the runners and ...

  4. CCGS Arpatuuq - Wikipedia

    en.wikipedia.org/wiki/CCGS_Arpatuuq

    If built, this class of ship will eventually have a complement of 100 per vessel. They are estimated to be capable of carrying fuel and supplies to be self-sufficient for 270 days and be capable of making constant progress through 2.5 metres (8 ft) of ice. [19] Arpatuuq will be classified by Lloyd's Register of Shipping.

  5. USCGC Escanaba (WPG-77) - Wikipedia

    en.wikipedia.org/wiki/USCGC_Escanaba_(WPG-77)

    For other ships with the same name, see USCGC Escanaba. The USCGC Escanaba (WPG-77) was a 165 ft (50 m) "A" type United States Coast Guard cutter stationed on the Great Lakes from her commissioning in 1932 until the start of U.S. military involvement in World War II in 1941. With the outbreak of war, Escanaba redeployed to participate in the ...

  6. Ice navigation vessel - Wikipedia

    en.wikipedia.org/wiki/Ice_navigation_vessel

    Ice navigation vessel or Ice-strengthened vessel is a class of ships specially prepared for independent ice navigation in the waters of the polar seas and for following icebreakers in especially difficult ice conditions. [ 1][ 2] Various registration authorities assign ice classes to vessels based on their technical characteristics. [ 3][ 4 ...

  7. Ice class - Wikipedia

    en.wikipedia.org/wiki/Ice_class

    Ice class. MS Viking XPRS, a ship in Finnish-Swedish ice class 1A Super in Helsinki harbour during wintertime. Ice class refers to a notation assigned by a classification society or a national authority to denote the additional level of strengthening as well as other arrangements that enable a ship to navigate through sea ice.

  8. Arktika-class icebreaker - Wikipedia

    en.wikipedia.org/wiki/Arktika-class_icebreaker

    The Arktika class is a Russian (formerly Soviet) class of nuclear-powered icebreakers. Also known by their Russian designations Project 10520 (first two ships) and Project 10521 (from third ship onwards), they were the world's largest and most powerful icebreakers until the 2016 launch of the first Project 22220 icebreaker , also named Arktika .

  9. Must see tour of rare Lake Michigan ice caves - AOL

    www.aol.com/news/2015-05-27-must-see-tour-of...

    MUSKEGON, MI. — It was back in early winter 2015 when we had just recorded the coldest February on record in West Michigan. The ice on Lake Michigan at/near the shore was about 12 to 18 inches ...