You are entering port and have been instructed to anchor, as your berth is not yet available. You are on a SW'ly heading, preparing to drop anchor, when you observe the range lights as shown in illustration D047NG below, on your starboard beam. What action should you take?

Correct Answer: Option A — ensure your ship will NOT block the channel or obstruct the range while at anchor

Under standard USCG navigation practices, anchoring near or across established visual ranges violates safe waterway management. Masters must ensure anchoring vessels do not obstruct navigable channels or obscure essential transit aids.