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Aeronautical Chart Users’ Guide

FAA Chart Users’ Guide Version 9 July 2026

VFR Flyway Planning Charts

Searchable VFR Flyway Planning Chart symbols and explanations for pilots.

may be shown.
(Mode C see
FAR 91.215/AIM)
All mileages are nautical (NM).
All radials are magnetic.
Floors extending “upward and above” a certain altitude are preceded by a +. Operations at or below these altitudes are outside of the Class B Airspace.)

Class D Airspace

FAA aeronautical chart visual associated with “Class D and Class E surface areas — ceiling/effective-hours examples” (source page 44).
Class D and Class E surface areas — ceiling/effective-hours examples — source page 44.
(A minus sign in front of the figure used to indicate “from surface to but not including...”)
ALTITUDE IN HUNDREDS OF FEET MSL.

Special Airspace Areas

Special Flight Rules Area (SFRA)

Relating to National Security

Example: Washington DC
Appropriate notes as required may be shown.
Note: Delimiting line not shown when it coincides with International Boundary, projection lines or other linear features.

Class C Airspace

FAA aeronautical chart visual associated with “Class C airspace — El Toro name, ceiling/floor, T/SFC notation, and surface area” (source page 44).
Class C airspace — El Toro name, ceiling/floor, T/SFC notation, and surface area — source page 44.
Appropriate notes as required may be shown.
(Mode C see