Which type of chart would provide information on airspace classifications?

Aeronautical sectional charts are specifically designed to provide essential information about airspace classifications, among other critical navigation details for pilots. These charts depict various classes of airspace, controlled and uncontrolled areas, and related airspace usage.

Sectional charts are continually updated to reflect current regulations and airspace designs, making them indispensable tools for ensuring safe and compliant operation of aircraft, including drones, within the national airspace system. They also include vital information such as airports, navigational aids, communication frequencies, and obstacles, all crucial for flight planning and execution.

In contrast, topographic maps primarily focus on land features and elevations, which do not include detailed airspace classifications. Weather maps illustrate meteorological conditions and phenomena, but they do not provide airspace classification information. Flight route maps illustrate routes commonly used by aircraft but do not necessarily clarify airspace classifications. Therefore, for understanding airspace classifications, aeronautical sectional charts are the appropriate resource.