Answer:

RAFTS

AnswerCrossword Clue
RAFTSBraves the white water
RAFTSMississippi River rides
RAFTSSimple vessels
RAFTSCastaways' carriers
RAFTSWhite-water carriers
RAFTSTravels a la Huck
RAFTSFloaters
RAFTSPolers' boats
RAFTSNavigates the rapids, perhaps
RAFTSRapid transits
RAFTSFloats
RAFTSRapids transits
RAFTSThey go with the flow
RAFTSCastaways' escape vessels
RAFTSSnake transports
RAFTSPond floaters
RAFTSLots
RAFTSOceans
RAFTSTravels la Huck Finn
RAFTSThey might send you down the river
RAFTSWhite-water transports
RAFTSRapid transits?
RAFTSVessels often made of balsa
RAFTSWhitewater carriers
RAFTSFlat floaters
RAFTSLoads and loads
RAFTSWhitewater vehicles
RAFTSA large amount
RAFTSRiver craft
RAFTSLarge quantities
RAFTSThey may be inflatable
RAFTSGoes with the flow, maybe
RAFTSCrude vessels
RAFTSRiver travelers
RAFTSFloating platforms
RAFTSLoads
RAFTSThey may be rubber
RAFTSBalsa vessels
RAFTSGoes white-watering
RAFTSRapids transit