This aluminum boat design (plan) is for a 38 foot crew boat. at 18,000 lbs. displacement with 290 gallons of diesel, 25+2 passengers, with two (2) 275 hp diesel. A complete listing of all stock and semi-stock plans offered by kasten marine design, including a list of nc files offered.. The little island trader 30 is based on a traditional style cargo boat ideally suited to cruising on a budget. she can be built in wood, aluminum.