A ship larger than a Keelboat or Rowboat needs a crew of skilled hirelings (see "Hirelings" later in "Equipment") to function. The minimum number of skilled hirelings needed to crew a ship depends on the type of ship, as shown in the table.
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This page includes material from the System Reference Document 5.2.1(“SRD 5.2.1”) by Wizards of the Coast LLC, available at dnd.wizards.com. The SRD 5.2.1 is licensed under the Creative Commons Attribution 4.0 International License. QuestMaster is unofficial Fan Content not affiliated with Wizards of the Coast.