What is commonly found in a pilot's operational manual according to the Chart Supplement?

The correct answer centers on the fact that a pilot's operational manual is designed to provide comprehensive information necessary for flight planning. This includes critical details such as flight routes, airport facilities, navigation aids, airspace classifications, and any other relevant data a pilot needs to prepare effectively for a flight. This information is essential for ensuring compliance with regulations and enhancing the safety and efficiency of flight operations.

The other options do not align with the primary purpose of an operational manual as described in the Chart Supplement. Basic weather updates may be provided through different channels and are not a part of the operational manual itself. Coordination procedures, while important for airports, typically fall under operational protocols rather than being found in every pilot's manual. Details about passenger services at airports, while useful to know, do not constitute essential information for conducting flight operations and are not typically included in the operational manual.