Castaway's rescue vessel (4)
I believe the answer is:
raft
(Other definitions for raft that I've seen before include "Flat, floating platform" , "vessel" , "Makeshift boat" , "Buoyant platform" , "Simple boat" .)
I believe the answer is:
raft
(Other definitions for raft that I've seen before include "Flat, floating platform" , "vessel" , "Makeshift boat" , "Buoyant platform" , "Simple boat" .)