Navigational hazard

A navigational hazard or hazard to navigation has been defined in various, slightly different, ways:

  • An obstruction, usually sunken, that presents sufficient danger to navigation so as to require expeditious, affirmative action such as marking, removal, or redefinition of a designated waterway to provide for navigational safety.
  • Any obstacle encountered by a vessel in route posing risk or danger to the vessel, its contents or the environment.
  • An obstruction determined to have a substantial adverse effect on the safety and efficient utilization of the navigable airspace.
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