At 0405, you increase speed. At 0500, your...

Question 1 / 2066636eea28f7522a1c51a80a

Question 1 of 2066636eea28f7522a1c51a80a

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of the water under the keel?

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Question 1 of 20

66636eea28f7522a1c51a80a

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of the water under the keel?

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🔍 Key Concepts

• Use the chart at LAT 37°06.0'N, LONG 75°41.1'W to find the charted depth (soundings/contours) at or nearest to that position • Determine the height of tide at 0500 for the correct reference station and apply it to the charted depth • Remember that depth under the keel = (actual water depth) − (vessel’s draft from the earlier part of the exam problem)

💭 Think About

• At 0500, is the tide above or below chart datum? How does that change the total water depth compared to the charted sounding? • Which nearby sounding or contour on the chart best represents the depth at your plotted position, and are the soundings in feet or fathoms? • After you add (or subtract) the tide to the charted depth, what do you get when you subtract the vessel’s draft? Does that number closely match one of the options?

✅ Before You Answer

• Confirm the units of soundings at that chart location (feet vs fathoms) and convert properly if needed • Verify the vessel’s draft used earlier in this exam problem before subtracting from total water depth • Double‑check you are using the tide height at 0500 (not 0405 or another time) for the correct station before choosing the closest answer

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Question 1 of 20

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of the water under the keel?

54 feet (16.4 meters)

66 feet (20.0 meters)

62 feet (18.8 meters)

46 feet (13.9 meters)

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Question 1 / 2066636eea28f7522a1c51a80a

Question 1 of 2066636eea28f7522a1c51a80a

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of the water under the keel?

Back

Question 1 of 20

66636eea28f7522a1c51a80a

At 0405, you increase speed. At 0500, your position is LAT 37°06.0'N, LONG 75°41.1'W. What is the approximate depth of the water under the keel?

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