33 C.F.R. § 147.15 Extent of safety zones.
Title 33 - Navigation and Navigable Waters
A safety zone establishment under this part may extend to a maximum distance of 500 meters around the OCS facility measured from each point on its outer edge or from its construction site, but may not interfere with the use of recognized sea lanes essential to navigation.
Title 33: Navigation and Navigable Waters
PART 147—SAFETY ZONES
§ 147.15 Extent of safety zones.
