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 67.20—Class “A” Requirements (§67.20-1 to §67.20-10)