The Class D airspace areas listed in subpart D of FAA Order 7400.11C (incorporated by reference, see § 71.1) consist of specified airspace within which all aircraft operators are subject to operating rules and equipment requirements specified in part 91 of this chapter. Each Class D airspace area designated for an airport in subpart D of FAA Order 7400.11C (incorporated by reference, see § 71.1) contains at least one primary airport around which the airspace is designated.
By Docket FAA-2018-0770, Amdt. 71-50, 83 FR 43757, Aug. 28, 2018, § 71.61 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.