Sectional Aeronautical chart for the Chicago, IL USA area.
Sectional Aeronautical Charts (“Sectionals”) are designed for visual navigation by pilots operating slow to medium speed aircraft. The topographical information is scaled 1:500,000 and features visual checkpoints used for flight under Visual Flight Rules (VFR). The checkpoints include places, drainage patterns, roads, railroads and other distinctive landmarks. The aeronautical information on Sectional Charts includes visual and radio aids to navigation, airports, controlled airspace, restricted areas, obstructions and related data.
See Aeronautical Charts FAQ for details on expiration dates and other helpful information.