(5.8.2.1C10-1) You are operating in the area...

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Question 1 of 2066636eea28f7522a1c51b41f

(5.8.2.1C10-1) You are operating in the area approximately 2 miles southeast of Kelsey Point when you realize that your vessel's intended track will carry you over the wreck charted at LAT 41°13.5'N, LONG 72°29.6'W. Which statement is TRUE?

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Question 1 of 20

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🔍 Key Concepts

• Charted wreck symbols and abbreviations on NOAA charts • Meaning of wire drag depths and what they tell you about clearance • Difference between danger to navigation vs. exact wreck position on charts

💭 Think About

• Look at a standard charted wreck symbol with a depth and/or wire drag note: what does that combination actually guarantee about safe surface navigation? • Think about whether the chart can ever guarantee the exact underwater position of a wreck, or if there is always some uncertainty. • Consider what additional information (like sounding datum and depth figures) you would need to decide if a wreck threatens a vessel with typical draft in that area.

✅ Before You Answer

• Identify what a wire drag depth means: is it the depth of the wreck, or a minimum swept depth above it? • Verify whether charted wreck symbols usually indicate absolute exact position or an approximate position within some tolerance. • Check if the phrase "danger to surface navigation" depends only on the presence of a wreck symbol, or on the charted depth relative to sounding datum and likely vessel drafts.

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