Which document provides information on the current and scheduled activities and readiness conditions of the vessel?

The Pass Down Log (PDL) is the correct answer because it serves as a critical communication tool for the Officer of the Deck and the crew regarding the current status of the ship. The PDL captures day-to-day operations, detailing significant events, activities, and changes in readiness conditions, ensuring continuity between shifts and providing essential information for ongoing operations.

This log allows the incoming watch team to quickly grasp what has occurred during the previous watch, including any scheduled activities that may affect the ship's operations or readiness. By maintaining this log, crew members can effectively manage the ship's operations and ensure that all relevant activities are documented for future reference.

Other documents, such as the Deck Log, primarily focus on formal entries concerning navigational data and ship's movements, while the Operational Plan Document outlines broader strategic goals but does not provide the detailed, immediate activity updates found in the PDL. The Ship's Maintenance Record captures maintenance and repair history but does not address day-to-day activities or readiness conditions. Therefore, the Pass Down Log is the most appropriate document for tracking current and scheduled activities and readiness conditions of the vessel.