navigation hazard
C52627
concept
A navigation hazard is any physical or environmental condition that poses a risk to the safe movement and guidance of vehicles, vessels, or aircraft along their intended route.
Observed surface forms (2)
- hazardous navigational area ×1
- navigation obstacle ×1
Instances (4)
- Frying Pan Shoals via concept surface "hazardous navigational area"
- Potter Heigham Bridge via concept surface "navigation obstacle"
- Spring Point Ledge
- Muglins Rock