You are making good a course of 060°T at a...

Question 1 / 2066636eea28f7522a1c51b39b

Question 1 of 2066636eea28f7522a1c51b39b

You are making good a course of 060°T at a speed of 13.5 knots. At 1855 Block Island North Light bears 086°T; at 1910 Block Island North Light bears 108°T; and at 1930 the same light bears 184°T. Which statement is TRUE about your 1930 running fix position?

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Question 1 of 20

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🔍 Key Concepts

• Running fix using three bearings at different times to the same object • Transferring earlier lines of position (LOPs) along your dead reckoning (DR) track using speed and time • Reading chart symbols and areas near Block Island North Light (depth curves, bottom type, cables, and fishing/lobstering areas)

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• How do you convert the time between bearings into distance run along your DR course at 13.5 knots, and how does that help you shift earlier LOPs to 1930? • Once you have your 1930 running fix plotted, what chart features lie directly under or immediately adjacent to that position? • Which of the answer choices describes a specific charted feature that could be positively confirmed at a single point (your running fix), rather than a broad regional description?

✅ Before You Answer

• Carefully compute distance run between 1855–1910 and 1910–1930 using ( \text{Distance} = \frac{\text{Speed (kn)}}{60} \times \text{Minutes} ). • Make sure each earlier bearing LOP is correctly advanced along 060°T by the distance run to 1930 before taking the intersection as your running fix. • On the chart, verify exactly what lies at that intersection: check depth curves, bottom composition labels, cable area boundaries, and the meaning of the wavy magenta lines.

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Question 1 of 20

You are inside the 20-fathom curve

The bottom is mud, sand, and clay.

The wavy magenta lines to the north through east of your position are designated lobstering areas.

You are on the edge of a cable area.

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Question 1 / 2066636eea28f7522a1c51b39b

Question 1 of 2066636eea28f7522a1c51b39b

Back

Question 1 of 20

66636eea28f7522a1c51b39b

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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