President of operating company in Shiretoko sightseeing boat accident filed for summary indictment for failure to issue contracts with crew members. Seiichi Katsurada was charged with violating the Seafarers Act for not issuing the required employment contracts to sailors.
"KAZU1" ran aground in June 2021, and the captain and former crew members were referred to prosecutors, which was discovered during the investigation. The captain was not prosecuted because he died in the sinking accident. The 1st Regional Coast Guard Headquarters is continuing to investigate the sinking on suspicion of causing death due to professional negligence.