[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR101.23] [Page 348] 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 C_Unmanned Rockets Sec. 101.23 Operating limitations. No person may operate an unmanned rocket-- (a) In a manner that creates a collision hazard with other aircraft; (b) In controlled airspace; (c) Within five miles of the boundary of any airport; (d) At any altitude where clouds or obscuring phenomena of more than five-tenths coverage prevails; (e) At any altitude where the horizontal visibility is less than five miles; (f) Into any cloud; (g) Within 1,500 feet of any person or property that is not associated with the operations; or (h) Between sunset and sunrise. (Sec. 6(c), Department of Transportation Act (49 U.S.C. 1655(c))) [Doc. No. 1580, 28 FR 6722, June 29, 1963, as amended by Amdt. 101-4, 39 FR 22252, June 21, 1974]