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Aeronautical Chart Users’ Guide

FAA Chart Users’ Guide Version 9 July 2026

IFR Enroute Low/High Altitude Symbols

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

Pvt - Private Use

AIRPORT DATA DEPICTION

FAA aeronautical chart visual associated with “Low-altitude Airport Data Depiction with callouts” (source page 75).
Low-altitude Airport Data Depiction with callouts — source page 75.
1. Airport elevation given in feet above or below mean sea level
2. Pvt - Private use, not available to general public
3. A solid line box enclosed the airport name indicates FAR 93 Special Requirementssee Directory/Supplement
4. “NO SVFR” above the airport name indicates FAR 91 fixed-wing special VFR flight is prohibited.
5. or following the airport identifier indicates Class C or Class D Airspace
FAA aeronautical chart visual associated with “Boxed C after airport identifier — Class C indicator” (source page 75).
Boxed C after airport identifier — Class C indicator — source page 75.
FAA aeronautical chart visual associated with “Boxed D after airport identifier — Class D indicator” (source page 75).
Boxed D after airport identifier — Class D indicator — source page 75.
High Altitude - U.S.
FAA aeronautical chart visual associated with “Low-altitude Airport Data Depiction callouts” (source page 75).
Low-altitude Airport Data Depiction callouts — source page 75.
6. Associated city names for public airports are shown above or preceding the airport name. If airport name and city name are the same, only the airport name is shown. The airport identifier in parentheses follows the airport name. City names for military and private airports are not shown.
7. Airport Ident ICAO Location Indicator shown outside contiguous U.S.
8. AFIS Alaska only
High Altitude - Alaska
FAA aeronautical chart visual associated with “High-altitude Alaska Airport Data Depiction callouts” (source page 75).
High-altitude Alaska Airport Data Depiction callouts — source page 75.
AIRPORTS Airport Data - Low/High Altitude Civil Charts: High/Low Civil And Military Charts: High/Low Military Charts: High/Low Seaplane - Civil Charts: Low Heliport Charts: Low Emergency Use Only Pacific Only IFR ENROUTE LOW / HIGH ALTITUDE SYMBOLS (U.S., PACIFIC AND ALASKA CHARTS) Facilities in BLUE or GREEN have an approved Instrument Approach Procedure and/or RADAR MINIMA published in either the FAA Terminal Procedures Publication or the DoD FLIPs. Those in BLUE have an Instrument Approach Procedure and/or RADAR MINIMA published at least in the High Altitude DoD FLIPs. Facilities in BROWN do not have a published Instrument Procedure or RADAR MINIMA. Facilities in BLACK are foreign airports. All IAP Airports are shown on the Low Altitude Charts. Non-IAP Airports shown on the U.S. Low Altitude Charts have a minimum hard surface runway of 3000’. Airports shown on the U.S. High Altitude Charts have a minimum hard surface runway of 5000’. Airports shown on the Alaska High Altitude Charts have a minimum hard or soft surface runway of 4000’. Associated city names for public airports are shown above or preceding the airport name and city name are the same only the airport name is shown. City names for military and private airports are not shown. The airport identifier in parentheses follows the airport name or Pvt. Pvt - Private Use AIRPORT DATA DEPICTION Low Altitude 1. Airport elevation given in feet above or below mean sea level 2. Pvt - Private use, not available to general public 3. A solid line box enclosed the airport name indicates FAR 93 Special Requirementssee Directory/Supplement 4. “NO SVFR” above the airport name indicates FAR 91 fixedwing special VFR flight is prohibited. 5. or following the airport identifier indicates Class C or Class D Airspace High Altitude - U.S. 6. Associated city names for public airports are shown above or preceding the airport name. If airport name and city name are the same, only the airport name is shown. The airport identifier in parentheses follows the airport name. City names for military and private airports are not shown. 7. Airport Ident ICAO Location Indicator shown outside contiguous U.S. 8. AFIS Alaska only High Altitude - Alaska
Source page 76

Airports (Continued)