[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR71.13] [Page 477] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 71_DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR TRAFFIC SERVICE ROUTES; AND REPORTING POINTS--Table of Contents Sec. 71.13 Classification of Air Traffic Service (ATS) routes. Unless otherwise specified, ATS routes are classified as follows: (a) In subpart A of this part: (1) Jet routes. (2) Area navigation (RNAV) routes. (b) In subpart E of this part: (1) VOR Federal airways. (2) Colored Federal airways. (i) Green Federal airways. (ii) Amber Federal airways. (iii) Red Federal airways. (iv) Blue Federal airways. (3) Area navigation (RNAV) routes. [Doc. No. FAA-2003-14698, 68 FR 16947, Apr. 8, 2003]