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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.

Appropriate notes as required may be shown

Special Awareness Training Areas

FAA aeronautical chart visual associated with “Special Awareness Training Area — DCA VOR-DME 60 NM notice” (source page 30).
Special Awareness Training Area — DCA VOR-DME 60 NM notice — source page 30.

Mode C (FAR 91.215)

FAA aeronautical chart visual associated with “Mode C and ADS-B Out 30-NM boundary” (source page 30).
Mode C and ADS-B Out 30-NM boundary — source page 30.
Appropriate notes as
required may be shown.

Air Defense Identification Zone (ADIZ)

Note: Delimiting line not shown when it coincides with International Boundary, projection lines or other linear features.
FAA aeronautical chart visual associated with “Contiguous U.S. ADIZ boundary” (source page 30).
Contiguous U.S. ADIZ boundary — source page 30.
AIRSPACE INFORMATION (Continued) Special Flight Rules Area (SFRA) Special Use Airspace Only the airspace effective below 18,000 feet MSL is shown. The type of area shall be spelled out in large areas if space permits. * Alert Areas do not extend into Class A, B, C and D airspace, or Class E airport surface areas. Special Air Traffic Rules / Airport Patterns (FAR Part 93) Appropriate boxed note as required shown adjacent to area. Inside the FAR Part 93 boundary area, the cross hatching is at a 45 degree angle. The hypsometric tint shall be masked within the area around the yellow city tint when applicable (should not be confused with white glacier tint). Flight Restricted Zone (FRZ) Relating to National Security National Security Area FOR REASONS OF NATIONAL SECURITY PILOTS ARE REQUESTED TO AVOID FLIGHT BELOW 1200' MSL IN THIS AREA NOTICE Small Area Appropriate notes as required may be shown Special Awareness Training Areas Mode C (FAR 91.215) MODE C & ADS-B OUT 30 NM Appropriate notes as required may be shown. Air Defense Identification Zone (ADIZ) Note: Delimiting line not shown when it coincides with International Boundary, projection lines or other linear features.
Source page 31
AIRSPACE INFORMATION (Continued)

High Energy Radiation Areas

FAA aeronautical chart visual associated with “Solar Farm — ocular-glare hazard boundary” (source page 31).
Solar Farm — ocular-glare hazard boundary — source page 31.
Appropriate notes as required may be shown

Military Training Routes (MTR)

FAA aeronautical chart visual associated with “Military Training Route VR269” (source page 31).
Military Training Route VR269 — source page 31.

Special Military Activity Routes (SMAR)

FAA aeronautical chart visual associated with “MTR altitude blocks and Special Military Activity status box” (source page 31).
MTR altitude blocks and Special Military Activity status box — source page 31.