[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR149.215] [Page 205] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 149--DESIGN, CONSTRUCTION, AND EQUIPMENT--Table of Contents Subpart B--Design and Equipment; General Sec. 149.215 Interference with helicopter operations. Aids to navigation, communication, or radar equipment must be installed so as not to interfere with helicopter operations.