The airspace descriptions contained in Sec. 71.33 and the routes contained in subpart A of FAA Order 7400.9Y (incorporated by reference, see Sec. 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. [Doc. No. 29334, 73 FR 54495, Sept. 22, 2008, as amended by Amdt. 71-40, 73 FR 60940, Oct. 15, 2008; Amdt. 71-41, 74 FR 46490, Sept. 10, 2009; Amdt. 71-42, 75 FR 55268, Sept. 10, 2010; Amdt. 71-43, 76 FR 53329, Aug. 26, 2011; Amdt. 71-44, 77 FR 50908, Aug. 23, 2012; Amdt. 71-45, 78 FR 52848, Aug. 27, 2013; Amdt. 71-46, 79 FR 51888, Sept. 2, 2014]
Effective Date Note: By Amdt. 71-46, 79 FR 51888, Sept. 2, 2014, Sec. 71.31(c) was amended by removing the words ``FAA Order 7400.9X'' and adding, in their place, the words ``FAA Order 7400.9Y'', effective Sept. 15, 2014 through Sept. 15, 2015.