Your 1900 position is LAT 40°45.5'N, LONG...

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Question 1 of 2066636eea28f7522a1c51abe0

Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow?

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Question 1 of 20

66636eea28f7522a1c51abe0

Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow?

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🔍 Key Concepts

• Use your 1900 position and the 1939 DR (dead reckoning) track and distance to find the 1939 DR position on the chart. • From the 1939 DR position, draw a line of position (LOP) to Montauk Point Light and determine the true bearing to the light, then convert to relative bearing from your ship’s heading. • Remember that relative bearing is measured from the ship’s bow, 000° at dead ahead, increasing clockwise through 360°.

💭 Think About

• What course and speed are you assumed to be maintaining from 1900 to 1939, and how far will you travel in 39 minutes? • Once you plot your 1939 DR position, where is Montauk Point Light relative to the vessel, and what is the true bearing from the ship to the light? • How do you convert a true bearing of an object to a relative bearing using your ship’s true heading at that time?

✅ Before You Answer

• Be sure you are using the 1939 DR position, not the 1900 position, when measuring the bearing to Montauk Point Light. • Confirm you are using the vessel’s heading/course (not the bearing to the light) when converting true bearing to relative bearing. • Double-check that the final bearing is expressed as a port-bow relative bearing (less than 180° and appropriately offset to the port side).

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Question 1 of 2066636eea28f7522a1c51abe0

Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow?

Back

Question 1 of 20

66636eea28f7522a1c51abe0

Your 1900 position is LAT 40°45.5'N, LONG 72°03.0'W. At your 1939 DR position, what is the expected relative bearing of Montauk Point Light on the port bow?

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

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