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Regulations last checked for updates: Aug 16, 2026

Title 33 - Navigation and Navigable Waters last revised: Aug 11, 2026
All TitlesTitle 33Chapter IPart 149Subpart E - Subpart E—Aids to Navigation

GENERAL
  • § 149.500 - What does this subpart do?
  • § 149.505 - What are the general requirements for aids to navigation?
  • § 149.510 -

LIGHTS
  • § 149.520 - What kind of lights are required?

LIGHTS ON PLATFORMS
  • § 149.535 - What are the requirements for rotating beacons on platforms?

LIGHTS ON SINGLE POINT MOORINGS
  • § 149.540 - What are the requirements for obstruction lights on a single point mooring?

LIGHTS ON FLOATING HOSE STRINGS
  • § 149.550 - What are the requirements for lights on a floating hose string?

LIGHTS ON BUOYS USED TO DEFINE TRAFFIC LANES
  • § 149.560 - How must buoys used to define traffic lanes be marked and lighted?
  • § 149.565 - What are the required characteristics and intensity of lights on buoys used to define traffic lanes?

MISCELLANEOUS
  • § 149.570 - How is a platform, single point mooring, or submerged turret loading identified?
  • § 149.575 - How must objects protruding from the water, other than platforms and single point moorings, be marked?
  • § 149.580 - What are the requirements for a radar beacon?
  • § 149.585 - What are the requirements for sound signals?
authority: 33 U.S.C. 1504,1509; DHS Delegation No. 00170.1, Revision No. 01.4
source: USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted.
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