At 1934 Little Gull Island Light bears 277°T...

Question 1 / 2066636eea28f7522a1c51ac18

Question 1 of 2066636eea28f7522a1c51ac18

At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?

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Question 1 of 20

66636eea28f7522a1c51ac18

At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?

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🔍 Key Concepts

• Set and drift definitions and how they relate to DR (dead reckoning) and EP (estimated position) • Using lines of position (LOPs) from lighthouses to determine the actual track over ground • Converting the time interval (1910–1934) into hours to compute a current’s speed in knots

💭 Think About

• How would you plot your DR position at 1910 and your observed position at 1934 using the bearings to Little Gull Island Light and Race Rock Light? • Once you have the DR position and the observed (fix) position at 1934, how do you determine the direction from DR to fix, and what does that direction represent? • After finding the distance between the DR and the fix, how do you convert that distance over the 24‑minute interval into knots?

✅ Before You Answer

• Be sure the set is the direction toward which the current pushes you (from DR to fix), not the opposite. • Double‑check that your time interval from 1910 to 1934 is correctly converted into hours before computing drift (speed). • Verify your distance between DR and fix is in nautical miles, and then confirm that knots = nautical miles per hour.

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Question 1 of 20

At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?

321°T, 2.2 knots

321°T, 0.9 knots

331°T, 2.2 knots

331°T, 0.9 knots

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Question 1 / 2066636eea28f7522a1c51ac18

Question 1 of 2066636eea28f7522a1c51ac18

At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?

Back

Question 1 of 20

66636eea28f7522a1c51ac18

At 1934 Little Gull Island Light bears 277°T and Race Rock Light bears 000°T. Which were the set and drift between 1910 and 1934?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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