The H. Sylvia A. H. G. Wilks was a fireboat operated by the Fire Department of New York City. The Wilks, and another fireboat, the Harry M. Archer, were both commissioned on January 17, 1958 built at the John A. Mathis Company shipyard. Both vessels were long, displaced 292 tons, and had a maximum speed of . She cost $900,222.
The vessel's namesake donated $3 million to the Fire Department's Honor Emergency Fund.
The Wilks was taken out of service in 1970, where she was transferred to the New York City Department of Marine and Aviation. In 1990 she then became a tugboat known as the "Ervin S. Cooper".
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