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Aeronautical Charts Terms and Symbols
IFR Aeronautical Charts
Explanation of IFR Terms and Symbols

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Aeronautical Charts
Terms and Symbols

VFR Aeronautical Charts

Explanation of VFR Terms
and Symbols

VFR Chart Symbols

Airports

Radio Aids to Navigation

Airspace Information

Navigational and Procedural
Information

Culture

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Relief

Helicopter Route Charts

VFR Flyway Planning
Charts

IFR Aeronautical Charts

Explanation of IFR
Terms and Symbols

IFR Chart Symbols

IFR Enroute Low/High
Altitude
(US and Alaska Charts)

Oceanic Route Charts
North Atlantic and
North Pacific Route Charts


RADIO AIDS TO NAVIGATION (NAVAIDs)
All IFR radio NAVAIDs that have been flight checked
and are operational are shown on IFR Enroute charts.
VHF/UHF NAVAIDs (VORs, TACANs, and UHF NDBs)
are shown in black, and LF/MF NAVAIDs (Compass
Locators and Aeronautical or Marine NDBs) are shown
in brown.

On enroute charts, information about NAVAIDs
is boxed as illustrated below. To avoid duplication of
data, when two or more NAVAIDs in a general area
have the same name, the name is usually printed only
once inside an identification box with the frequencies,
TACAN channel numbers, identification letters, or
Morse Code identifications of the different NAVAIDs all
shown in appropriate colors.

NAVAIDS that have a status of shutdown will
have the frequency and channel number crosshatched.
Use of the NAVAID status "Shutdown" is only used
when a facility has been decommissioned but cannot
be published as such because of pending airspace actions.

 


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