At 0455 you encounter fog and slow to 5...

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Question 1 of 2066636ee928f7522a1c51907f

At 0455 you encounter fog and slow to 5 knots. At 0500, you obtain a radar fix from the following information: Radar range to Montauk Point is 9.1 miles. Tangent bearing to western edge of Block Is. Is 015°pgc. Distance off the nearest part of Block Is. is 5.9 miles. What is your 0500 position?

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Question 1 of 20

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🔍 Key Concepts

• Radar range and tangent bearing to a known point for fixing position • Using distance off an object to establish a line of position (LOP) • Plotting multiple LOPs to find a fix and reading the resulting latitude/longitude

💭 Think About

• How would you plot a 9.1-mile radar range from Montauk Point on the chart, and what kind of line of position does that give you? • A tangent bearing to the western edge of Block Island gives you a specific LOP – how is that different from a simple bearing to the center of the island? • The 5.9-mile distance off the nearest part of Block Island gives you another LOP. Once you plot all three LOPs, where do they intersect, and what LAT/LONG is closest to that point among the choices?

✅ Before You Answer

• Be sure your radar ranges (9.1 miles and 5.9 miles) are measured from the correct points on the chart (Montauk Point and nearest Block Island shoreline). • Confirm that the 015° pgc tangent bearing is drawn so it just touches the western edge of Block Island, not cutting through the island. • After plotting, carefully read latitude and longitude of the fix from the chart and compare decimals of minutes to the answer choices.

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