How Many People Can Actually Fit On a Rigid Inflatable Boat Legally Karel Overlaet, RIB Advocate “In this video we go over where to find the HIN (Hull Identification Number) and USCG (United States Coast Guard) plate which legally tells you how many people can be on your vessel legally.” Others Also Read...4 Rules to Maintain your RIB Super Top-NotchNovi marine - Press release Gemini WR1060 GRP Cabin RIBA Beginner's Guide to Buying a Rigid Inflatable Boat (RIB)The 5 Basic Marine Knots You Should Know