Pt boat plans for the famous pt 109 offered in 1:32, 1:24 and 1:16 scale – buy and download a relatively easy-to-build semi scale blueprint of an elco 80-footer.. This is pt-728, a 66 1/2 year-old restored patrol torpedo boat from world war ii. with a keel laid on august 10, 1945, she is one of 12 remaining pt boats in the. Pt boat museum visit our museum at battleship cove, fall river, massachusetts. where over 4000 square feet is devoted to the 43 commissioned squadrons, some 80 bases.