[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR101.31] [Page 371-372] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 101_MOORED BALLOONS, KITES, UNMANNED ROCKETS AND UNMANNED FREE BALLOONS--Table of Contents Subpart D_Unmanned Free Balloons Sec. 101.31 Applicability. Source: Docket No. 1457, 29 FR 47, Jan. 3, 1964, unless otherwise noted. [[Page 372]] This subpart applies to the operation of unmanned free balloons. However, a person operating an unmanned free balloon within a restricted area must comply only with Sec. 101.33 (d) and (e) and with any additional limitations that are imposed by the using or controlling agency, as appropriate.