navigational hazards
Shipping lane threats
Navigational hazards are obstacles or dangers that threaten safe passage—for ships, aircraft, or vehicles.
Rocks, reefs, icebergs, and shallow water are classic maritime hazards.
The term extends to anything requiring careful maneuvering: The downtown construction created navigational hazards for commuters.
Charts and maps mark known hazards; unexpected ones cause accidents.
- stormsViolent atmospheric disturbances
- rocksSolid mineral pieces
- rocky outcropsExposed stone formations
- sandbarsSubmerged ridges of sediment
- reefsSubmerged rocky formations
fog · shoals · tidal currents · overconfidence · tsunamis · shipwrecks · icebergs · heavy rain · blind spots · dead reckoning · miscommunication · hurricanes · rough seas · intoxication · piracy · human error · solar flares · fatigue
navigational hazardssafe harbor
Protected place for vessels
safe passage · sheltered waters · safe haven · calm seas · fair weather
navigational hazardsopen water
Unobstructed body navigable freely
safe passage · deep water · navigable waters · clear sailing · sea room
navigational hazardsnavigational aids
Devices guiding vessel courses
lighthouses · buoys · beacons · navigation lights · leading lights
navigational, navigation, navigate, navigates, navigated, navigating, navigator, navigators, navigable