Paul Cayard, CEO of Artemis Racing, said at a press conference: "We obviously had a tragic day today on the bay. Our thoughts and prayers are with Andrew Simpson's family - his wife and kids, and also with the rest of the team mates. It was a shocking experience to go through."
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The event, which was held at the Dorchester Hotel last Thursday, was attended by representatives of some of Britain’s biggest companies.
Reports in the Daily Mail and the Telegraph said published guidance has been changed for 2018 to only fly the Union flag on Remembrance Day.
The author, who explored feminist themes, was best known for her Earthsea books.