The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is SDQ. This MIC (SDQ) stands for the company name Sea Dory which is currently Out of Business. This boat manufacturer code has other company names (SDQ sometimes goes by these name(s) if applicable: , , , or ). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Sea Dory) is owned by L. H. Charnley and is located at Po Box 431 in Henniker state of Nh. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Sea Dory has started making boats, yachts or other watercraft as of 10/10/1980 and went out of business on (4/6/1987) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: 040687 Oob.