(SP-411: t. 26; 1. 76'6 b. 13'; dr. 3'4; s. 23
cpl. 11; a. i 3-pdr., 2 mg.)
Susanne (SP-411), a motor boat built in 1916 at Port Clinton, Ohio, by the Matthews Boat Co., was acquired by the Navy in May 1917 from T. J. Prindiville of Chicago, Ill. She was commissioned on 3 August 1917 and served on section patrol in the 9th Naval District until she was struck from the Navy list and sold on 15 November 1919.