The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is UPB. This MIC (UPB) stands for the company name Knights Landing Boatwk which is currently Out of Business. This boat manufacturer code has other company names (UPB 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 (Knights Landing Boatwk) is owned by Timothy Bower and is located at Po Box 1044 in Woodland 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. Knights Landing Boatwk has started making boats, yachts and other watercraft as of 11/7/1979 and went out of business on (8/6/1997) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Was Bower Specialty Fabric @ 1038 Elliot St Woodland Ca Datotbus 12/27/83 Street Address 301 Locust St, Knights Landing, Ca 95645. 08/06/97 Mail Returned No Forwarding Address..