Introduction
Summary of the Ship. Who uses it, where did it come from, who built it, etc.
Ship Design and Appearance
Explain what the ship looks like. This could be stating what kind of ship (Galleon, Frigate, Sloop, etc.), what it's made of, the figurehead, etc.
History
Provide a history to the ship, if it has one. When it was build, major battles, anything that happened to the ship.
Trivia
Provide any trivia there may be for the ship. What was it named after, why is the figurehead significant to the name, etc.