USCG USCG GENNAV
Set 6 • Question #164 of 246
Launch Interactive Practice Room Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading?
A
Salinity of water
B
Temperature of water
C
Atmospheric pressure
D
Type of bottom
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG General Navigation principles (Bowditch, Light Lists, and Coast Pilots), regarding 'Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading', the verified fact is: 'Type of bottom'.
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