The airspace descriptions contained in § 71.33 and the routes contained in subpart A of FAA Order 7400.11C (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 Docket FAA-2018-0770, Amdt. 71-50, 83 FR 43757, Aug. 28, 2018, § 71.31 was amended by removing the words “FAA Order 7400.11B” and adding, in their place, the words “FAA Order 7400.11C”, effective Sept. 15, 2018, through Sept. 15, 2019.