Your present position is LAT 41°05.5'N, LONG...

Question 1 of 29218fork_7eb61b18f6fa43fab20

Your present position is LAT 41°05.5'N, LONG 72°38.0'W. Assuming that there is no set and drift, what course must you steer per standard magnetic compass (psc) to arrive at a position midway between New Haven Harbor Channel buoys #1 and #2?

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Question 1 of 29218

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🔍 Key Concepts

• Plotting great-circle vs. rhumb line courses on a Mercator chart • Using variation and deviation to convert between true, magnetic, and compass courses • Finding a position midway between two buoys and determining the course to that point

💭 Think About

• On the chart, how do you determine the exact midpoint between New Haven Harbor Channel buoys #1 and #2 before drawing any course lines? • Once you have your true course from the starting position to the midpoint, what is the correct sequence of steps to convert that course to a standard magnetic compass (psc) course? • Given the answer choices, are you likely steering toward New Haven or away from it from your present position off Long Island, and what general quadrant should the course lie in?

✅ Before You Answer

• Carefully plot your present position and the two buoys using the correct chart scale and symbols. • Mark the midpoint between buoys #1 and #2 (measure the line between them and mark the center). • Apply the correct TVMDC (True, Variation, Magnetic, Deviation, Compass) corrections using the variation and deviation data given on the chart and compass card, and double-check the direction of each correction (east is least, west is best).