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Geographic Location: City of Port Huron- Item types: Posters
- Item types: Photographs
- Item types: Scrapbooks
- Item types: Graphics
- Item types: Engagement Notices
- Item types: Documents
- Item types: Clippings
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- USCGC 214 - HOLLYHOCK; at home base in Port Huron
Hollyhock's official website (http://www.uscg.mil/d9/cgcHollyhock/) notes: The Hollyhock's Dynamic Positioning System, which allows a computer to take control of the engines, rudder, propeller and thrusters, can hold the ship within a 10-meter circle in winds up to 30 knots and eight-foot seas, which allows pinpoint positioning of buoys. The vessel is … Hollyhock's official website (http://www.uscg.mil/d9/cgcHollyhock/) notes: The Hollyhock's Dynamic Positioning System, which allows a computer to take control of the engines, rudder, propeller and thrusters, can hold the ship within a …Maritime History of the Great Lakes
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