[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: 14CFR61.7] [Page 318-319] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 61_CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS--Table of Contents Subpart A_General Sec. 61.7 Obsolete certificates and ratings. (a) The holder of a free-balloon pilot certificate issued before November 1, 1973, may not exercise the privileges of that certificate. [[Page 319]] (b) The holder of a pilot certificate that bears any of the following category ratings without an associated class rating may not exercise the privileges of that category rating: (1) Rotorcraft. (2) Lighter-than-air. (3) Helicopter. (4) Autogyro.