At 2347 you are advised that your assistance...

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Question 1 of 2066636eea28f7522a1c51ad7b

At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings:

Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T

What is the course and speed made good between 0015 and 0030?

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Question 1 of 20

66636eea28f7522a1c51ad7b

At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings:

Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T

What is the course and speed made good between 0015 and 0030?

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🔍 Key Concepts

• Running fix using bearings at different times • Using distance run between fixes to determine course made good (CMG) and speed made good (SMG) • Difference between ordered course/engine speed and actual CMG/SMG

💭 Think About

• How can you turn the three position lines from 0015 into a single plotted position on your chart before working with the 0030 line of position? • Once you have positions at 0015 and 0030, what simple geometry step lets you read the CMG from the chart and measure the distance run? • After you find the distance between the two positions on the chart, how do you convert that distance over the 15‑minute interval into knots?

✅ Before You Answer

• Be sure all bearings are plotted consistently (same reference: pgc vs true – think about what corrections are needed). • Confirm you are measuring the course from the earlier fix (0015) to the later line of position (0030), not from the earlier ordered course change at 2350. • Double‑check your time interval: 0015 to 0030 is 15 minutes, so speed in knots will be distance in nautical miles × 4.

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Question 1 of 2066636eea28f7522a1c51ad7b

At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings:

Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T

What is the course and speed made good between 0015 and 0030?

Back

Question 1 of 20

66636eea28f7522a1c51ad7b

At 2347 you are advised that your assistance is no longer needed. At 2350 you change course to make good 268°T. At 0015 you take the following round of bearings:

Kelsey Point Breakwater light 024°pgc Horton Point Light 100°pgc Falkner Island Light 333°pgc At 0030 Falkner Island Lt. 000°T

What is the course and speed made good between 0015 and 0030?

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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