§149.535. What are the requirements for rotating beacons on platforms?
33 C.F.R. § 149.535
In addition to obstruction lights, the tallest platform of a deepwater port must have a lit rotating beacon that distinguishes the deepwater port from other surrounding offshore structures. The beacon must:
Have an effective intensity of at least 15,000 candela;
Flash at least once every 20 seconds;
Provide a white light signal;
Operate in wind speeds of up to 100 knots at a rotation rate that is within 6 percent of the operating speed displayed on the beacon;
Have one or more leveling indicators permanently attached to the light, each with an accuracy of ±0.25 ° or better; and
Be located—
At least 60 feet (about 18.3 meters) above mean high water;
Where the structure of the platform, or equipment mounted on the platform, does not obstruct the light in any direction; and
So that it is visible all around the horizon.
Notes, amendments, and revision history
Authority
Authority: 33 U.S.C. 1504, 1509; DHS Delegation No. 00170.1, Revision No. 01.4.
Source
Source: USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted.