The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is RTU. This MIC (RTU) stands for the company name Little River Industries which is currently Out of Business. This boat manufacturer code has other company names (RTU sometimes goes by these name(s) if applicable: Round Trampoline Usa, , , 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 (Little River Industries) is owned by Rob Longshore Turner, H. and is located at Po Box 505 in Quincy state of Fl. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Little River Industries has started making boats, yachts and other watercraft as of 4/1/1986 and went out of business on (2/6/1991) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Highway 90 East032487 Co-name Chgcurrent Info 890620.