You get underway from the shipyard in...

Question 1 / 2066636ee928f7522a1c51981b

Question 1 of 2066636ee928f7522a1c51981b

You get underway from the shipyard in Chester, PA, at 1515 DST (ZD +4) on 6 August 1983, enroute to sea. You will be turning for eight knots. What current can you expect at Fourteen Foot Bank Light?

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Question 1 of 20

66636ee928f7522a1c51981b

You get underway from the shipyard in Chester, PA, at 1515 DST (ZD +4) on 6 August 1983, enroute to sea. You will be turning for eight knots. What current can you expect at Fourteen Foot Bank Light?

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🔍 Key Concepts

• Daylight Saving Time (DST) vs Zone Time (ZD +4) and how to convert the given time to standard time for current tables • Using Tidal Current Tables: finding the reference station for Fourteen Foot Bank Light and applying subordinate station corrections (time and rate) • Relating the time of departure to the time of nearest high or low water or slack at the reference station, then adjusting for Fourteen Foot Bank

💭 Think About

• How do you convert 1515 DST (ZD +4) to the standard time used in the current tables for that area on 6 August 1983? Walk through the hour change carefully. • Once you know the correct standard time, where are you in the tidal cycle relative to the nearest slack water or maximum flood/ebb at the reference station? Are you before, near, or after max current? • After finding the reference station’s predicted current at that time, how do the subordinate station corrections for Fourteen Foot Bank change the time and rate of the current?

✅ Before You Answer

• Be sure you have converted DST to standard time correctly before entering the current tables. • Verify you are using the right reference station for Fourteen Foot Bank and applying the correct time difference and rate factor to get the subordinate station’s current. • Double-check whether the sign of the current (flood vs ebb) matches the stage of the tide at that exact adjusted time before choosing between the ebb options or slack.

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Question 1 of 20

You get underway from the shipyard in Chester, PA, at 1515 DST (ZD +4) on 6 August 1983, enroute to sea. You will be turning for eight knots. What current can you expect at Fourteen Foot Bank Light?

Slack

1.3 knots ebbing

1.7 knots ebbing

0.5 knot ebbing

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Question 1 / 2066636ee928f7522a1c51981b

Question 1 of 2066636ee928f7522a1c51981b

You get underway from the shipyard in Chester, PA, at 1515 DST (ZD +4) on 6 August 1983, enroute to sea. You will be turning for eight knots. What current can you expect at Fourteen Foot Bank Light?

Back

Question 1 of 20

66636ee928f7522a1c51981b

You get underway from the shipyard in Chester, PA, at 1515 DST (ZD +4) on 6 August 1983, enroute to sea. You will be turning for eight knots. What current can you expect at Fourteen Foot Bank Light?

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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