The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is GBU. This MIC (GBU) stands for the company name Grand Bahama Ychts Ltd which is currently Out of Business. This boat manufacturer code has other company names (GBU sometimes goes by these name(s) if applicable: Sales Ltd, Grand Bahama Yacht, , 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 (Grand Bahama Ychts Ltd) is owned by Wolfensparger and is located at 425 E Promotory Dr in Newport Beach state of Ca. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Grand Bahama Ychts Ltd has started making boats, yachts or other watercraft as of and went out of business on (9/29/1989) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Pmr Deleted Mls 3/16/83oob 5/88 Re Rbsu(w).