[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: 14CFR258.3] [Page 215] TITLE 14--AERONAUTICS AND SPACE CHAPTER II--OFFICE OF THE SECRETARY, DEPARTMENT OF TRANSPORTATION (AVIATION PROCEEDINGS) PART 258_DISCLOSURE OF CHANGE-OF-GAUGE SERVICES--Table of Contents Sec. 258.3 Definitions. As used in this part: (a) Air transportation has the meaning ascribed to it in 49 U.S.C. 40102(5). (b) Carrier means any air carrier or foreign air carrier as defined in 49 U.S.C. 40102(2) or 49 U.S.C. 40102(21), respectively, that engages directly in scheduled passenger air transportation. (c) Change-of-gauge service means a service that requires a change of aircraft en route but has only a single flight number. (d) Ticket agent has the meaning ascribed to it in 49 U.S.C. 40102(40).