A logbook is a record-keeping tool used to document activities, events, or observations over time. It is commonly used in various fields, such as aviation, maritime, and scientific research, to ensure accurate tracking of important information. Logbooks can help maintain accountability and provide a historical reference for future analysis. In a maritime context, a logbook records details like the ship's position, weather conditions, and crew activities. In aviation, pilots use logbooks to track flight hours and maintenance checks. Overall, logbooks serve as essential tools for monitoring and managing operations across different industries.