How frequently is the information in the Chart Supplement U.S. updated?

The Chart Supplement U.S. is updated on a monthly basis. Each update includes important information regarding airports, navigation aids, and airspace changes that pilots and operators use for safe flight operations. Monthly updates ensure that users have access to the most current data, reflecting any changes that may have occurred in the aviation environment, such as modifications to airport services, regulations, or procedures.

The frequency of updates is crucial for maintaining situational awareness and ensuring safety in aviation. Therefore, understanding this update schedule helps operators plan flights and stay informed about relevant changes in their operational area.