Logbook aboard the frigate Grand Turk.
A logbook (a ship’s logs or simply log) is a record of important events in the management, operation, and navigation of a ship. It is essential to traditional navigation, and must be filled in at least daily.
This website is my logbook.
By No machine-readable author provided. JoJan assumed (based on copyright claims). – No machine-readable source provided. Own work assumed (based on copyright claims)., CC BY-SA 3.0, Link