The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GYY. This MIC (GYY) stands for the company name Graves Yacht Yards Inc which is currently Out of Business. This boat manufacturer code has other company names (GYY 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 (Graves Yacht Yards Inc) is owned by Fay Endicott and is located at Beacon St in Marblehead state of Ma. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Graves Yacht Yards Inc has started making boats, yachts or other watercraft as of 6/23/1981 and went out of business on (12/31/1999) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Purchased Boat Molds From (vvv) Texas Marine International Which Is Now Out Of Business Pmr Deleted Mls 3/10/83. 08/29/2001 Oob Per Rni.