The manufacturer identification code (MIC) of your craft identification number (CIN or HIN) is RKB. This MIC (RKB) stands for the company name Ryan Kilburg which is currently In Business. This boat manufacturer code has other company names (RKB sometimes goes by these name(s) if applicable: , , , or Oren K Boats -oob). This could happen if the US Coast Guard reissued the MIC to a new company after the first went out of business.
This company (Ryan Kilburg) is owned by Ryan Kilburg and is located at Po Box 26 in Sabula state of Ia. It manufactured this vessel and placed your HIN or CIN on the hull. This Boat maker is not owned by a parent company. Ryan Kilburg has started making boats, yachts and other watercraft as of 4/23/2010.
More details at the US Coast Guard.
The US Coast guard provides this comment about this watercraft manufacturer: Oren K Boats (yreka Ca) Oob - 4/26/1980..