Television presenter Ben Fogle, who has rowed the Atlantic Ocean, has tweeted:
Thank you to everyone for helping make this happen. Proof of the power of collective, positive, hopeful action.... #cheekirafiki
With no sign of a life raft or of debris, and with nearly 20,000 square miles having been searched, the hunt continues for another day.
Veteran yachtsman Tony Bullimore tells ITV News that there is a "strong possibility" the yachtsmen are still alive in the life raft.