Hello, Gerolf. She's a "Boatruc" built 1966 at Warren, RI, by Blount Marine Corp. as the *Port Tide* for Tidewater California, Inc., Los Angeles. 73.7' x 25 x 7.7; 92 gt, 63 nt; twin Caterpillar 3406C Diesels. She's owned by Castagnola Tug Service, Inc., Santa Barbara, and used for anchor handling and offshore construction in the Santa Barbara channel oil field. The Castagnola family also owns the *Chikamin* fishing boat you photographed.