CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER C—AIDS TO NAVIGATION (parts 60 to 76) > PART 67—AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES > SUBPART 67.10—General Requirements for Sound signals (§67.10-1 to §67.10-40) > 67.10-5—Location requirements.

67.10-5—Location requirements.

The sound signal required by §§ 67.20-10, 67.25-10, and 67.30-10 must:
(a) Be located on the structure so that the sound signal produced is audible over 360° in a horizontal plane at all ranges up to and including the required rated range; and
(b) Be located at least 10 feet but not more than 150 feet above mean high water.