As you head toward Great Salt Pond,...

Question 1 / 2066636eea28f7522a1c51b303

Question 1 of 2066636eea28f7522a1c51b303

As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light?

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Question 1 of 20

66636eea28f7522a1c51b303

As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light?

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🔍 Key Concepts

• Geographic range of visibility vs. luminous range of a light • Using the light list or charted information for height of light and your height of eye • Relating distance off a point (from your DR track and time–distance–speed)** to when the light drops below the horizon**

💭 Think About

• First, figure out how far away Montauk Pt. Light will be when it just disappears below the horizon. What formula connects distance to horizon with height of light and height of eye? • From your plotted course toward Great Salt Pond, at what DR position (time) are you at that distance from Montauk Pt. Light? • Is the limiting factor the light’s brightness or the earth’s curvature, given that visibility is stated as unlimited?

✅ Before You Answer

• From the chart or Light List, note the height of Montauk Pt. Light and your vessel’s height of eye as given in the problem setup. • Compute the geographic range using the standard distance-to-horizon formula for both heights and add the results. • On your track line, mark the point where your distance off Montauk Pt. equals that geographic range and read the corresponding time from your DR plot before choosing an answer.

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Question 1 of 20

As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light?

0950

0928

0905

It will remain visible to Great Salt Pond.

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Question 1 / 2066636eea28f7522a1c51b303

Question 1 of 2066636eea28f7522a1c51b303

As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light?

Back

Question 1 of 20

66636eea28f7522a1c51b303

As you head toward Great Salt Pond, visibility is unlimited. At what time will you lose sight of Montauk Pt. Light?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed