The last night of the charter, and nobody remembers where you anchored on Tuesday. Logbook keeps one voyage a day at a time: where you left, where you arrived, a note, the pictures, and what it cost. It works the same on a week's charter and on a weekend aboard your own boat. It is a logbook for the voyage, not the boat. Most logbook apps ask for engine hours and tank levels. Logbook asks for her name, the dates, who was aboard, and — when she is chartered — the company and the base. Then the