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Aeronautical Chart Users’ Guide

FAA Chart Users’ Guide Version 9 July 2026
All Library Documents

IFR Enroute Low/High Altitude Symbols

IFR low- and high-altitude enroute chart legends, symbols, examples, and procedures.

FAA aeronautical chart visual associated with “Distance Measuring Equipment (DME) fix — LF/MF” (source page 82).
Distance Measuring Equipment (DME) fix — LF/MF — source page 82.
FAA aeronautical chart visual associated with “DME fix with encircled mileage” (source page 82).
DME fix with encircled mileage — source page 82.
FAA aeronautical chart visual associated with “DME fix mileage example — 5 NM and 10 NM segments, 15 NM total” (source page 82).
DME fix mileage example — 5 NM and 10 NM segments, 15 NM total — source page 82.
FAA aeronautical chart visual associated with “Total mileage between compulsory reporting points or NAVAIDs — VHF/UHF” (source page 82).
Total mileage between compulsory reporting points or NAVAIDs — VHF/UHF — source page 82.
FAA aeronautical chart visual associated with “Total mileage between compulsory reporting points or NAVAIDs — LF/MF” (source page 82).
Total mileage between compulsory reporting points or NAVAIDs — LF/MF — source page 82.
FAA aeronautical chart visual associated with “Mileage between other fixes, NAVAIDs, or mileage breakdown — VHF/UHF” (source page 82).
Mileage between other fixes, NAVAIDs, or mileage breakdown — VHF/UHF — source page 82.
FAA aeronautical chart visual associated with “Mileage between other fixes, NAVAIDs, or mileage breakdown — LF/MF” (source page 82).
Mileage between other fixes, NAVAIDs, or mileage breakdown — LF/MF — source page 82.
FAA aeronautical chart visual associated with “Computer Navigation Fix (CNF) — VHF/UHF” (source page 82).
Computer Navigation Fix (CNF) — VHF/UHF — source page 82.
FAA aeronautical chart visual associated with “Computer Navigation Fix (CNF) — LF/MF” (source page 82).
Computer Navigation Fix (CNF) — LF/MF — source page 82.
FAA aeronautical chart visual associated with “Facility locator box — VHF/UHF” (source page 82).
Facility locator box — VHF/UHF — source page 82.
FAA aeronautical chart visual associated with “Facility locator box — LF/MF” (source page 82).
Facility locator box — LF/MF — source page 82.
FAA aeronautical chart visual associated with “Facility locator box with shutdown crosshatch — VHF/UHF” (source page 82).
Facility locator box with shutdown crosshatch — VHF/UHF — source page 82.
FAA aeronautical chart visual associated with “Facility locator box with shutdown crosshatch — LF/MF” (source page 82).
Facility locator box with shutdown crosshatch — LF/MF — source page 82.
FAA aeronautical chart visual associated with “Radial outbound from a VHF/UHF NAVAID” (source page 82).
Radial outbound from a VHF/UHF NAVAID — source page 82.
FAA aeronautical chart visual associated with “Bearing inbound to an LF/MF NAVAID” (source page 82).
Bearing inbound to an LF/MF NAVAID — source page 82.
FAA aeronautical chart visual associated with “Compulsory RNAV waypoint” (source page 82).
Compulsory RNAV waypoint — source page 82.
FAA aeronautical chart visual associated with “Non-compulsory RNAV waypoint” (source page 82).
Non-compulsory RNAV waypoint — source page 82.
FAA aeronautical chart visual associated with “RNAV waypoint coordinates” (source page 82).
RNAV waypoint coordinates — source page 82.
FAA aeronautical chart visual associated with “Total mileage between compulsory RNAV reporting points” (source page 82).
Total mileage between compulsory RNAV reporting points — source page 82.
FAA aeronautical chart visual associated with “Magnetic reference bearing outbound from an RNAV NAVAID or fix” (source page 82).
Magnetic reference bearing outbound from an RNAV NAVAID or fix — source page 82.