The locations of the towers were chosen based on known traffic patterns; each tower marked a prominent navigational hazard which was already well-recognized.

Fortunately, the transport cleared the navigational hazard with only minor damage to the tip of the rudder.

They rise out of deep water and are a navigational hazard for shipping with seventy-one named wrecks and an estimated two hundred shipwrecks overall.

The civilian vessels were adrift, creating a navigational hazard.

A space elevator would present a navigational hazard, both to aircraft and spacecraft.