The airspace descriptions contained in § 71.33 and the routes contained in subpart A of FAA Order 7400.9Z (incorporated by reference, see § 71.1) are designated as Class A airspace within which all pilots and aircraft are subject to the rating requirements, operating rules, and equipment requirements of part 91 of this chapter.
By Amdt. 71-47, 80 FR 51937, Aug. 27, 2015, § 71.31 was amended by removing the words “FAA Order 7400.9Y” and adding, in their place, the words “FAA Order 7400.9Z”, effective Sept. 15, 2015 through Sept. 15, 2016.