Luminous Range Practice Problem 5

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5. The Light List shows that a navigational light has a nominal range of 15 miles and the visibility is 5 miles. What is the luminous range of the light?
a. 6.2 miles
b. 9.5 miles
c. 12.9 miles
d. 14.2 miles
Answer = b

[@johnorourke5529]

I’m thinking with the parameters that they’re giving me it would be less than 10 and more than eight

[@mail-qh2qc]

How do you solve
The light list shows that a navigational light has a nominal range of 5 miles and a height above the water of 21 feet. your height of eye of 32 feet and the visibility is 1.0 miles. At what approximate range will you firdt see the light?
Deck Officer Study Guide 2 Navigation General Question 021014 Luminous Range.