At 0820, you change course to 301°psc and...

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Question 1 of 2066636eea28f7522a1c51a92a

At 0820, you change course to 301°psc and reduce speed to 7.5 knots. At 0900, you take the following visual bearings: Branford Reef Light 023°psc New Haven Light 293°psc Tweed Airport Aerobeacon 332°psc Your 0900 position is __________.

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Question 1 of 20

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🔍 Key Concepts

• Running fix using visual bearings and DR (dead reckoning) position • Plotting three lines of position (LOPs) from simultaneous visual bearings • Converting from psc (per ship’s compass) to true if needed, using deviation and variation from the chart

💭 Think About

• From 0820 to 0900, how far do you travel at 7.5 knots, and along what course line should you advance your DR position? • When you plot the three bearings to the light and aerobeacon, where do those LOPs intersect relative to your DR track between 0820 and 0900? • After plotting, which of the four positions lies closest to the intersection of your three LOPs on the chart?

✅ Before You Answer

• Confirm the time interval between 0820 and 0900 and compute distance run using ( \text{Distance} = \text{Speed} \times \text{Time} ). • Verify you are using the correct compass error (variation + deviation) from the chart for this area and date before plotting bearings. • Double‑check that the latitude comes from the side scale and longitude from the top/bottom scale, and that your plotted point’s quadrant (N/W) matches the answer choice format.

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