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Aeronautical Chart Users’ Guide

FAA Chart Users’ Guide Version 9 July 2026
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IFR Enroute Low/High Altitude Symbols

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

FAA aeronautical chart visual associated with “VHF/UHF compass rose” (source page 76).
VHF/UHF compass rose — source page 76.
FAA aeronautical chart visual associated with “LF/MF compass rose” (source page 76).
LF/MF compass rose — source page 76.
Compass Roses are oriented to Magnetic North of the NAVAID that cannot be adjusted to the charted isogonic values.

Compass Locator Beacon

FAA aeronautical chart visual associated with “Low-altitude compass-locator-beacon symbol” (source page 76).
Low-altitude compass-locator-beacon symbol — source page 76.
FAA aeronautical chart visual associated with “Compass-locator-beacon example — Enroute Low L-27 U.S.” (source page 76).
Compass-locator-beacon example — Enroute Low L-27 U.S. — source page 76.
Airports (Continued) LIGHTING CAPABILITY Lighting Available Pilot Controlled Lighting Part-time or on request No lighting available At private facilitiesindicates no lighting information is available RADIO AIDS TO NAVIGATION NAVAIDS VOR VOR/DME TACAN DME NDB NDB/DME Reporting Function Non Compulsory Reporting or Off Airway Compulsory Reporting Note: VHF/UHF is depicted in Black. LF/MF is depicted in Brown. RNAV is depicted in Blue Compass Roses VHF/UHF LF/MF Compass Roses are oriented to Magnetic North of the NAVAID that cannot be adjusted to the charted isogonic values. Compass Locator Beacon LOW ALTITUDE Chart Example: Enroute Low L-27 US
Source page 77

RADIO AIDS TO NAVIGATION (Continued)

ILS LOCALIZER

ILS Localizer Course with
FAA aeronautical chart visual associated with “ILS localizer course with additional-navigation function” (source page 77).
ILS localizer course with additional-navigation function — source page 77.
additional navigation function
ILS Localizer Back Course with
FAA aeronautical chart visual associated with “ILS localizer back course with additional-navigation function” (source page 77).
ILS localizer back course with additional-navigation function — source page 77.
additional navigation function

VOR/DME RNAV

WAYPOINT DATA

FAA aeronautical chart visual associated with “High-altitude Alaska VOR/DME RNAV waypoint-data callouts” (source page 77).
High-altitude Alaska VOR/DME RNAV waypoint-data callouts — source page 77.
FAA aeronautical chart visual associated with “ILS localizer back-course example — Enroute Low L-1 U.S.” (source page 77).
ILS localizer back-course example — Enroute Low L-1 U.S. — source page 77.