Bangkok-based technical diving school and expedition vessel specializing in deep wreck exploration and historical shipwrecks across the Gulf of Thailand, including HTMS Khram, HTMS Chang, HTMS Suhairin, and the Bremen (SS Petchaburi). Offers IANTD open-circuit and closed-circuit rebreather training from recreational through advanced trimix and technical wreck diving, with in-house CCR platforms including IQSub FX-CCR, FLEX 2, Pelagian, Hammerhead, and T-Reb.