[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR11.21] [Page 20] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 11--GENERAL RULEMAKING PROCEDURES--Table of Contents Subpart A--Rulemaking Procedures Sec. 11.21 What are the most common kinds of rulemaking actions for which FAA follows the Administrative Procedure Act? FAA follows the Administrative Procedure Act (APA) procedures for these common types of rules: (a) Rules found in the Code of Federal Regulations; (b) Airworthiness directives issued under part 39 of this chapter; and (c) Airspace Designations issued under various parts of this chapter.