Admiral Dewey (tugboat)
|Port of registry:||Charleston, SC|
|Builder:||New York Burlee Drydock Co.|
|Out of service:||1992|
|Status:||Museum since 2000 at the South Street Seaport Museum in Manhattan, New York|
|Length:||95.7 ft (29.2 m)|
|Beam:||21 ft (6.4 m)|
|Location||New York, New York|
|Architect||Burlee Drydock Co.|
|Architectural style||Harbor tugboat|
|NRHP reference No.||02001619|
|Added to NRHP||December 27, 2002|
|Wikimedia Commons has media related to Helen McAllister (tugboat, 1900).|
Admiral Dewey, also known as Georgetown and today as Helen McAllister, is a 113 feet (34 m) tugboat built in 1900  at the Burlee Drydock in Port Richmond, New York. She was built with a 900 horsepower (670 kW) triple expansion compound steam engine which was replaced with a diesel engine after World War II. She towed coal barges to refuel ships in the harbor. In 1955, she was sold to a Charleston, South Carolina tugboat company. In the 1980s, the McAllister tugboat company of New York purchased the company and brought the renamed Helen McAllister back to New York harbor. She helped dock tall ships during Op Sail 1992.
After retirement, she was donated to the South Street Seaport Museum in Manhattan in 2000. In 2012, Helen McAllister was returned to McAllister Towing, and is currently in Mariners Harbor, Staten Island.
- "National Register Information System". National Register of Historic Places. National Park Service. April 15, 2008.
- "Helen McAllister at the South Street Seaport Museum". South Street Seaport Museum. Archived from the original on 2011-07-21. Retrieved 2009-01-31.
- "Tugboat Information: Helen McAllister". Tugboat Information. April 13, 2013. Retrieved 2013-04-13.
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