While navigating inbound in the Thimble...

🔍 Key Concepts

• Thimble Shoal Channel system local regulations (check current charts and USCG Local Notice to Mariners) • Differences between speed requirements, channel assignments, and security zones around naval vessels • Requirements that apply only in a specific segment of the channel versus the entire system

💭 Think About

• Ask yourself: which of these options sounds like a specific local routing requirement rather than a general safety practice or speed guideline? • Consider whether inbound traffic is usually kept in the main channel or diverted into an auxiliary channel in narrow, structured approaches. • Think about where special stand‑off distances from large naval vessels are normally found: are they unique to this channel or part of broader naval vessel protection zones rules?

✅ Before You Answer

• Check the local Thimble Shoal Channel regulation or note in the Coast Pilot or on the chart to see what inbound traffic is directed to do. • Verify whether there is a published minimum speed for all vessels in this channel; if you can’t find one, be cautious about that choice. • Confirm if any rule mentions a specific distance like 1500 yards from large naval vessels as a Thimble Shoal requirement, or if that number looks like it comes from a more general security‑zone context.

While navigating inbound in the Thimble Shoal Channel system you must __________.

maintain a minimum speed of 6 knots

use the north auxiliary channel

remain 1500 yards (1360 meters) from large naval vessels

navigate in the main channel when between Trestles A & B

🔍 Key Concepts

💭 Think About

✅ Before You Answer