Hi Andreas,

Not USCG (this is another mistake in 50s Janes, misunderstanding USN numbering schemes). These were US Navy small boats with C- numbers, meaning built by private contractors for Navy accounts. They were all standard 45-foot picket boats. 16 tons 45-6 x 13-6 x 3-6 feet, two gasoline engines, 190hp. Unfortunately, don't know builders.

Best,

Dave