Pinafore SP-450
Pinafore
A Gilbert and Sullivan operetta, "N. M. S. Pinafore."
(SP-450: dp. 14.5; 1. 45'; b. 12'3"; s. 9 k.)
Pinafore was built in 1902 by the Mare Island Navy Yard, Calif. as a ferry launch.
Pinafore was used by the Mare Island Navy Yard as a construction and repair launch until she was struck from the Navy List 1 July 1920.