[Code of Federal Regulations] [Title 14, Volume 4] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR252.2] [Page 205] TITLE 14--AERONAUTICS AND SPACE CHAPTER II--OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PART 252_SMOKING ABOARD AIRCRAFT--Table of Contents Sec. 252.2 Applicability. This part applies to all operations of air carriers engaged in interstate, intrastate and foreign air transportation and to foreign air carriers engaged in foreign air transportation, but does not apply to the on-demand services of air taxi operators.