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  • Chapter 1: The National Airspace System › Instrument Approach Procedure Charts › The Plan View

    terrain rises at least 2,000 feet above the airport elevation. Some AeroNav Products charts contain a reference or distance circle with a specified radius (10 NM is most common). Normally, approach features within the plan view are shown ... data within the reference circle is always drawn to scale. Concentric dashed circles, or concentric rings around the distance circle, are used when the information necessary to the procedure will not fit to scale within the limits of the plan…

  • Glossary › Chart Supplement U.S. (formerly Airport/Facility

    tail is the primary contributor to directional stability, causing an airplane in flight to align with the relative wind. Distance circle. See reference circle. Distance measuring equipment (DME). A pulse-type electronic navigation system that shows the pilot…

  • Glossary

    access to the system. Pilots can request specific types of weather briefings and other pertinent data for planned flights. Distance circle. See reference circle. Distance measuring equipment (DME). A pulse-type electronic navigation system that shows the pilot…

  • Glossary › Pilot’s Operating Handbook/Airplane Flight Manual

    navigation system. This system is required for IFR-certified GPS units. Recommended altitude. An altitude depicted on an instrument approach chart with the altitude value neither underscored nor overscored. The depicted value is an advisory value. Receiver-transmitter ... feet to 1,000 feet and makes six additional FLs available for operation. Also see DRVSM. Reference circle (also, distance circle). The circle depicted in the plan view of an IAP chart that typically has a 10 NM radius, within…

  • Glossary › Pilot’s Operating Handbook/Airplane Flight Manual

    feet to 1,000 feet, and makes six additional FLs available for operation. Also see DRVSM. Reference circle (also, distance circle). The circle depicted in the plan view of an IAP chart that typically has a 10 NM radius, within…

  • Chapter 9. Aeronautical Charts and Related Publications › Section 1. Types of Charts Available › 9-1-5. General Description of Each Chart Series

    cities, times zones, major drainage, a directory of airports with their airspace classification, and a mileage table showing great circle distances between major airports. Scale 1 inch = 47nm/1:3,400,000. Chart revised annually, and is available either folded…