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What does a red navigational light indicate at night?

Correct! Wrong!

The port (left) side of a vessel.

What is the purpose of COLREGs?

Correct! Wrong!

To prevent collisions at sea.

What signal indicates a vessel is altering course to starboard?

Correct! Wrong!

One short blast on the whistle.

What does a single white light visible all around mean?

Correct! Wrong!

Indicates a vessel at anchor.

Who has right of way in a crossing situation?

Correct! Wrong!

The vessel on the starboard side.

How should vessels pass when meeting head-on?

Correct! Wrong!

Each should alter course to starboard.

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What does a yellow over white light indicate?

Correct! Wrong!

A towing vessel pushing ahead or towing alongside.

When is a vessel considered 'restricted in her ability to maneuver'?

Correct! Wrong!

When its operation is limited by its nature of work.

What does the sound signal of five short blasts mean?

Correct! Wrong!

Danger or uncertainty of intentions.