January 17, 2019 VESSEL REVIEW | Amelia and Johan – Purpose built cats boost Hawaii’s scuba diving charter industry Written by Baird Maritime on January 17, 2019. Posted in Commercial Mariner – Vessel Reviews, Maritime Tourism, Work Boat World Vessel Reviews. A pair of new tourist scuba dive vessels Amelia and Johan, 9.8- by 4.0-metre high-tunnel catamarans, recently arrived in Honokohau Harbor, Hawaii. Read More