Aviation Training Experts™

other

Aeronautical Chart Users’ Guide

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

IFR Enroute Low/High Altitude Symbols

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

FAA aeronautical chart visual associated with “ATS route — low/high charts” (source page 81).
ATS route — low/high charts — source page 81.

Oceanic Route

FAA aeronautical chart visual associated with “Oceanic route — low/high charts” (source page 81).
Oceanic route — low/high charts — source page 81.
FAA aeronautical chart visual associated with “Jet route — high charts” (source page 81).
Jet route — high charts — source page 81.
FAA aeronautical chart visual associated with “Atlantic route — high charts” (source page 81).
Atlantic route — high charts — source page 81.
FAA aeronautical chart visual associated with “Bahama route — high charts” (source page 81).
Bahama route — high charts — source page 81.
FAA aeronautical chart visual associated with “RNAV Q Routes — High Enroute Charts” (source page 81).
RNAV Q Routes — High Enroute Charts — source page 81.
Alaska Q Routes require GNSS and radar surveillance. Within the CONUS, GNSS or DME/DME/IRU RNAV required, unless otherwise indicated. DME/DME/IRU aircraft require radar surveillance.

Preferred Direction Jet Routes

FAA aeronautical chart visual associated with “Preferred Direction Jet Routes” (source page 81).
Preferred Direction Jet Routes — source page 81.

Preferred Direction RNAV Q Routes

FAA aeronautical chart visual associated with “Preferred Direction RNAV Q Routes” (source page 81).
Preferred Direction RNAV Q Routes — source page 81.

Preferred Direction ATS Route

FAA aeronautical chart visual associated with “Preferred Direction ATS Route” (source page 81).
Preferred Direction ATS Route — source page 81.

Unusable Route Segment

FAA aeronautical chart visual associated with “Unusable Route Segment — High Enroute Charts” (source page 81).
Unusable Route Segment — High Enroute Charts — source page 81.

Substitute Route

FAA aeronautical chart visual associated with “Substitute Route — High Enroute Charts” (source page 81).
Substitute Route — High Enroute Charts — source page 81.

AIRSPACE INFORMATION

Airway/Route Types