Navigation General · Piloting — Danger Sounding
Marking a 'danger sounding' on the chart before entering pilot waters helps the navigator:
- ARecognize immediately if the depth shoals into hazardous water✓ Correct
- BChoose an anchorage
- CSet the AIS
- DCompute fuel
Explanation
A danger sounding is the minimum safe depth for the vessel; it is highlighted so that if the echo sounder reads at or below it, the watch knows the vessel has stood into danger and must take immediate action.
Authority: Bowditch; piloting practice
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