Nothing in the HIN will identify where your boat was built. ZCC and CCY where both used in each plant
Look for a builder’s plaque, which I suspect you haven’t found. The other way is to find Hulls near yours to see where they were built The project #84-1, 44 was originally built in Rhode Island as you noted in 85 and “coming to Canada” in 86 after Rhode Island was shut down November 85 JKC www.candcyachts.com Motion Designs Limited 647 990 7752
