Named for the builder.
(SP-1218: dp. 25; l. 80'; b. 12'6" ; dr. 3'6"; s. 17 k.; a. 1 3-pdr., 1 1-pdr.)
Herreshoff #309, a motor patrol boat, was designed and built for government use by Herreshoff Manufacturing Co., Bristol, R.I., in 1917, and leased by the Navy from her owner, Winthrop W. Aldrich of Newport, R.I. Taken over 26 October 1917, she commissioned 15 November, Chief Boatswain's Mate J. Fitapatrick commanding.
The motor boat was assigned to 2d Naval District, based at Newport, and was assigned section patrol duties off Block Island, and in Narragansett Bay. She was returned to her owner 31 December 1918.