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- Mate (Oceans or Near Coastal (Offshore Supply Vessel)) »
- Q213 - Navigation Problems: Chart Plot
23. At 2015, your vessel is at the Chesapeake Bay Bridge and Tunnel midway between buoys «13» and «14». If the height of tide is -1 foot (-0.3 meters), what is the approximate depth of water?
The depth of water is calculated by subtracting the negative tide height from the charted depth. The charted depth at the location is 54 feet, and with a -1 foot tide, the actual depth is 53 feet.
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