Aviation Training Experts™

other

Aeronautical Chart Users’ Guide

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

VFR Sectional and Terminal Area Charts

Responsive VFR Sectional and Terminal Area Chart legends for airports, radio aids, airspace, procedures, culture, hydrography, and relief.

Source page 26

RADIO AIDS TO NAVIGATION (Continued)

Automated Weather Broadcast Services

FAA aeronautical chart visual associated with “Automated weather broadcast services — AWOS/ASOS VHF/UHF and LF/MF symbols” (source page 26).
Automated weather broadcast services — AWOS/ASOS VHF/UHF and LF/MF symbols — source page 26.
Automated Weather Observing System (AWOS) / Automated Surface Observing System (ASOS).

Flight Service Station (FSS)

FAA aeronautical chart visual associated with “Heavy line box indicates Flight Service Station (FSS). Frequencies 121.5, 122.2 and 243.0 are available at many Alaskan FSSs and are not shown above boxes. frequencies are shown. Frequencies transmit and receive except those followed by an R.” (source page 26).
Heavy line box indicates Flight Service Station (FSS). Frequencies 121.5, 122.2 and 243.0 are available at many Alaskan FSSs and are not shown above boxes. frequencies are shown. Frequencies transmit and receive except those followed by an R. — source page 26.
Heavy line box indicates Flight Service Station (FSS). Frequencies 121.5, 122.2 and 243.0 are available at many Alaskan FSSs and are not shown above boxes. frequencies are shown. Frequencies transmit and receive except those followed by an R.
R - receive only

Off Airport AWOS/ASOS

FAA aeronautical chart visual associated with “Off-Airport Weather Camera Locations” (source page 26).
Off-Airport Weather Camera Locations — source page 26.

Off-Airport Weather Camera Locations

Broadcast Stations (BS)

FAA aeronautical chart visual associated with “On request by the proper authority or when a VFR Checkpoint” (source page 26).
On request by the proper authority or when a VFR Checkpoint — source page 26.
On request by the proper authority or when a VFR Checkpoint

Remote Communications Outlet (RCO)

FAA aeronautical chart visual associated with “Frequencies above thin line box are remoted to NAVAID site. Other frequencies at FSS providing voice communication may be available determined by altitude and terrain. Consult Chart Supplement for complete information.” (source page 26).
Frequencies above thin line box are remoted to NAVAID site. Other frequencies at FSS providing voice communication may be available determined by altitude and terrain. Consult Chart Supplement for complete information. — source page 26.
Frequencies above thin line box are remoted to NAVAID site. Other frequencies at FSS providing voice communication may be available determined by altitude and terrain. Consult Chart Supplement for complete information.
Thin line box without frequencies and controlling FSS name indicates no FSS frequency available.
FAA aeronautical chart visual associated with “Off-airport weather-camera symbol — WX CAM” (source page 26).
Off-airport weather-camera symbol — WX CAM — source page 26.