Factual error: The film is set in 1807 and Arthur Wellesley is referred to as the Duke Of Wellington. He didn't become a Duke until 1814.
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All of the Lydia's lieutenants are wearing epauletes on their left shoulders.only lieutenant commanders were permitted to wear one on the left shoulder, while the right shoulder was reserved for captains of less than 3 years' seniority. See more...
Captain Horatio Hornblower mistakes
Factual error: All of the Lydia's lieutenants are wearing epauletes on their left shoulders.only lieutenant commanders were permitted to wear one on the left shoulder, while the right shoulder was reserved for captains of less than 3 years' seniority.
Factual error: As the Natividad appears, the lookout signals "ship's royals horizon, southeast" by using a shuttered lantern and morse code.unfortunately, neither the lantern nor the code had been invented in 1807. Flag hoists during the day, and rockets and flares at night were the methods of signaling at that time.