The second USS Dart (YFB-308) was a United States Navy ferry launch in service from 1900 to 1930. The second Dart was attached to the Mare Island Navy Yard from 1900 to 1930. She was employed as a ferry between the Navy Yard and Vallejo, California, and also as a stand-by fire boat. On 20 September 1930 she was transferred to the Department of Commerce.