USCG USCG NAV
Set 1 • Question #12 of 247
Launch Interactive Practice Room The highest point on your towboat is 52 feet above the water, and the Helena Gage reads +9.6 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge?
A
73.1 feet
B
58.0 feet
✓ Correct Answer
C
53.9 feet
D
49.8 feet
USCG NMC Regulatory Explanation
In practical navigation calculations and chart plotting regarding 'The highest point on your towboat is 52 feet above the water, and the Helena Gage reads +9.6 feet. What is the vertical clearance when you pass under the A-span of the Helena Highway Bridge', the calculated solution is: '58.0 feet'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...