The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is DTD. This MIC (DTD) stands for the company name Ditmar/donaldson which is currently Out of Business. This boat manufacturer code has other company names (DTD sometimes goes by these name(s) if applicable: Sea Boat Co, , , 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 (Ditmar/donaldson) is owned by R Ditmar and is located at 126 E 16th St in Costa Mesa 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. Ditmar/donaldson has started making boats, yachts or other watercraft as of 11/8/1972 and went out of business on (10/24/1991) in the following country: USA.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Oob Per Cg-5093 Mso Los 911024.