Maryland Boating Certification Practice Exam

How many times the maximum water depth should the anchor line be when anchoring?

1. 3-5 times

2. 5-7 times

3. 7-10 times

4. 10-12 times

The correct answer is: 7-10 times

When anchoring a vessel, the recommended length of the anchor line is typically 7 to 10 times the maximum water depth. This guideline is based on the principle of providing sufficient scope to ensure that the anchor sets properly and holds effectively. A longer anchor line allows for a better angle of pull on the anchor, which can help it to dig into the seabed more securely and resist dragging. A scope of 7 to 10 times the water depth also factors in the effects of wind and current on the vessel. With the correct scope, the anchor can maintain better holding power, reducing the risk of the vessel breaking free from its mooring. This is particularly important in conditions with strong winds or choppy waters where the forces acting on the anchor can be significant. The other ranges mentioned, while potentially useful in certain scenarios, do not reflect the most widely accepted practices for securing an anchor to ensure safety and effectiveness in a variety of conditions.