Question 1 of 20
Q
You are docking a vessel starboard side to with the assistance of two tugs. You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power. Which statement is TRUE?
A
The ship has no headway at the time
B
Steerageway is never taken off
C
The bow closes the dock first
D
The bow doesn't close the dock first
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Question 1 / 2066636ee728f7522a1c5179db
Question 1 of 2066636ee728f7522a1c5179db

You are docking a vessel starboard side to with the assistance of two tugs. You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power. Which statement is TRUE?

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Question 1 of 20
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You are docking a vessel starboard side to with the assistance of two tugs. You are attempting to hold the vessel off by operating both tugs at right angles to the vessel and at full power. Which statement is TRUE?

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🔍 Key Concepts

• Interaction between tug thrust and ship pivot point when the ship still has headway • Meaning of steerageway and how it affects the bow and stern motion near a dock • How a ship moves laterally when tugs push at right angles while the ship is still moving ahead

💭 Think About

• Think about where the pivot point is when the vessel has slight headway versus when it is dead in the water. How does that change which end moves toward or away from the dock? • If you keep enough speed for steerageway, what does the rudder do to the stern and bow in relation to the dock? • Visualize both tugs pushing sideways at full power while the ship barely moves ahead. Which end tends to swing in or out first against the dock?

✅ Before You Answer

• Clarify the difference between no headway and having enough speed for steerageway • Decide whether the pivot point is more forward or aft in this situation, and what that means for the bow versus the stern • Mentally trace the actual path of the bow and stern as the tugs push sideways while the vessel still has some forward motion