Diving From Kairos Rigid Inflatalbe Boat Karel Overlaet, RIB Advocate This specially designed low freeboard buoyancy Kairos Rigid Inflatable Boat shows the stability and possibilities of diving with such boats. It’s hardly done in Singapore or in Malaysia. Others Also Read...Exclusive: Discover the Making of GEMINI WR880 12 StepsBIBOA Rigid Inflatalbe Boat Races First years 1990 - 1997How to Buy a Rigid Inflatable Boat (RIB) : 10 ThoughtsHaving a Lot of Fun in Singapore in a Kairos RIB