Can a sailboat big enough for 8 passengers be controlled by a single person?

Update: I'm running a role-playing game and the party of player-characters has acquired a sailboat big enough to carry 8 humans along with several rolls of silk fabric and barrels of brandy. Will just one of them be enough to sail the thing by themself, or will they need a crew? If the latter, will just one more person... show more I'm running a role-playing game and the party of player-characters has acquired a sailboat big enough to carry 8 humans along with several rolls of silk fabric and barrels of brandy. Will just one of them be enough to sail the thing by themself, or will they need a crew? If the latter, will just one more person be enough?
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