High Altitude ChartIFR Enroute High Altitude Charts (Conterminous U.S. and Alaska) are designed for navigation at or above 18,000 ft MSL. This four color series includes:

  • Jet Route Structure
  • RNAV Q-Routes
  • VHF radio aids to navigation (frequency, ID, channel, geographic coordinates)
  • Selected airports
  • Reporting Points
  • NRS (Navigation Reference System) Waypoints
  • Revised every 56 days

Separate indices show the coverage of Enroute High Altitude Charts (Conterminous U.S., Alaska and Caribbean).

Scale Information
Chart Type Nautical miles/inch
Instrument Flight Rules (IFR) Enroute High Altitude Chart for the Conterminous U.S. 20
Instrument Flight Rules (IFR) Enroute High Altitude Chart for Alaska Varies from 18 to 45

Product Name and FAA Product ID

High Altitude Enroute (Conterminous U.S.)
Product Product ID
H 1/2 EHUS1
H 3/4 EHUS3
H 5/6 EHUS5
H 7/8 EHUS7
H 9/10 EHUS9
H 11/12 EHUS11
Full Set EHUSSET
High Altitude Enroute (Alaska)
Product Product ID
Alaska H1/H2 EHAK1
High Altitude Enroute (Caribbean)
Product Product ID
Caribbean H1 DEHCB1