As you pass Thimble Shoal Channel Lighted...

Question 1 / 2066636eea28f7522a1c51b468

Question 1 of 2066636eea28f7522a1c51b468

As you pass Thimble Shoal Channel Lighted Buoy R”14” close abeam in your designated channel, what should your fathometer read if your height of tide is negligible?

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Question 1 of 20

66636eea28f7522a1c51b468

As you pass Thimble Shoal Channel Lighted Buoy R”14” close abeam in your designated channel, what should your fathometer read if your height of tide is negligible?

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🔍 Key Concepts

• Review how to use a nautical chart to find the charted depth beside a buoy in a dredged channel • Understand the meaning of "height of tide is negligible" in relation to charted soundings (soundings are usually referenced to mean lower low water – MLLW) • Consider the dredged channel controlling depth versus the natural bottom depth shown on the chart

💭 Think About

• Look up R “14” on the appropriate chart and note exactly where a vessel would be when it is "close abeam in your designated channel". What sounding or depth applies at that position? • Ask yourself: if tide height is negligible, should you be adjusting the charted depth up or down, or using it as-is? • Consider whether the depth you’re interested in is the depth in the center of the channel, at the edge of the channel, or directly under the buoy itself.

✅ Before You Answer

• Confirm the chart datum used for soundings on the chart (usually MLLW) and how that relates to "negligible" tide height • Verify the controlling depth or maintained project depth of Thimble Shoal Channel from the chart notes and dredged area markings, not just the single sounding near the buoy • Make sure you understand that a fathometer reads depth of water under the keel, not depth below chart datum, and relate that to the printed charted depth if vessel draft is ignored in the problem.

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Question 1 of 20

As you pass Thimble Shoal Channel Lighted Buoy R”14” close abeam in your designated channel, what should your fathometer read if your height of tide is negligible?

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Question 1 / 2066636eea28f7522a1c51b468

Question 1 of 2066636eea28f7522a1c51b468

As you pass Thimble Shoal Channel Lighted Buoy R”14” close abeam in your designated channel, what should your fathometer read if your height of tide is negligible?

Back

Question 1 of 20

66636eea28f7522a1c51b468

As you pass Thimble Shoal Channel Lighted Buoy R”14” close abeam in your designated channel, what should your fathometer read if your height of tide is negligible?

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?

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