ENR 3.2 Upper ATS Routes

See also ENR 1.10, ENR 1.17, ENR 3.3, ENR 3.5, and Appendix 1.

  1. High Altitude ATS Route Structure
    1. The U.S. does not use the term “Upper ATS Routes.” The published high altitude route structure in the U.S. consists of jet routes and high altitude RNAV routes (Q-routes). The high altitude route structure is for use at and above 18,000 feet MSL.
      1. Jet route and Q-route designators and significant points defining the routes are listed in FAA Order JO 7400.11, Airspace Designations and Reporting Points.
      2. Applicable route tracks, radials, distances between points, changeover points, cruising altitudes for direction of flight, upper and lower limits, minimum flight altitudes and ARTCC boundaries are published on the IFR En Route High Altitude - U.S. chart series.
      3. The high altitude route structure is contained within Class A airspace.