Dumb Vessel
A dumb vessel is a ship that lacks the ability to communicate with other ships or shore stations via radio. This type of vessel relies on visual signals, such as flags and lights, to communicate with other ships. Dumb vessels were common in the early days of shipping and were often used for transporting cargo. However, with the advent of radio communication, the use of dumb vessels has declined significantly. Today, most ships are equipped with radio communication equipment, which allows them to communicate with other ships and shore stations over long distances.
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