USCG USCG NAV
Set 2 • Question #40 of 247
Launch Interactive Practice Room The Helena Gage reads 9.4 feet. The high point on your towboat is 46 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge?
A
106.1 feet
B
79.5 feet
C
64.2 feet
✓ Correct Answer
D
56.0 feet
USCG NMC Regulatory Explanation
In practical navigation calculations and chart plotting regarding 'The Helena Gage reads 9.4 feet. The high point on your towboat is 46 feet above water. What is the vertical clearance when you pass under the Helena Highway Bridge', the calculated solution is: '64.2 feet'.
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