At 1959 Watch Hill Point Light bears 030°T,...

Question 1 of 2707066636eea28f7522a1c51ac24

At 1959 Watch Hill Point Light bears 030°T, Montauk Point Light bears 146°T, and Little Gull Light bears 283°T. What is the approximate fathometer reading?

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Question 1 of 27070

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At 1959 Watch Hill Point Light bears 030°T, Montauk Point Light bears 146°T, and Little Gull Light bears 283°T. What is the approximate fathometer reading?

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🔍 Key Concepts

• 3-bearing fix on a chart and plotting your position • Using the chart’s depth contours and soundings to estimate depth at a known position • Converting depth in feet to fathoms and back (1 fathom = 6 feet)

💭 Think About

• After plotting the three bearings on the chart, where do the lines intersect, and what bottom contour or nearby soundings are shown at that position? • Are you reading chart soundings in feet or fathoms in this area, and how does that affect your estimate in feet? • Which of the multiple-choice depths best matches the depth suggested by the surrounding contours, not just a single spot sounding?

✅ Before You Answer

• Confirm the chart’s sounding units (feet vs fathoms) for this area before converting. • Check whether your fix lies closer to a contour line (e.g., 10-fm, 15-fm, etc.) or between contours to judge if your answer should be higher or lower. • Verify that your final choice makes sense when converted between feet and fathoms (multiples of 6).