[Code of Federal Regulations] [Title 41, Volume 4] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 41CFR301-10.121] [Page 27] TITLE 41--PUBLIC CONTRACTS AND PROPERTY MANAGEMENT CHAPTER 301--TEMPORARY DUTY (TDY) TRAVEL ALLOWANCES PART 301-10--TRANSPORTATION EXPENSES--Table of Contents Subpart B--Common Carrier Transportation Sec. 301-10.121 What classes of airline accommodations are available? (a) Coach-class--The basic class of accommodations offered to travelers that is available to all passengers regardless of fare paid. This term applies when an airline offers two or more classes of accommodations, which includes tourist or economy. (b) Premium-class--Any class of accommodations above coach, e.g., first or business. (c) First-class--The highest class of accommodations on a multiple- class airline flight. When an airline flight only has two classes of accommodations, the higher-class, regardless of the term used for that class, is considered to be first class. (d) Premium-class other than first-class--Any class of accommodations between coach-class and first-class, e.g., business- class. (e) Single-class--This term applies when an airline offers only one class of accommodation to all travelers.