NASBLA Navigation Rules & Right of Way

Question 1

When two power-driven vessels are meeting head-on, what action must each vessel take?

Accepted Answer

Each vessel shall alter course to starboard so each passes on the port side of the other

Answer

Each vessel shall alter course to port so each passes on the starboard side of the other

Answer

The vessel with greater tonnage has the right of way

Answer

The vessel traveling upstream has priority

Question 2

When a sailing vessel under sail only and a power-driven vessel are on crossing courses, which vessel is the give-way vessel?

Accepted Answer

The power-driven vessel is the give-way vessel

Answer

The sailing vessel is the give-way vessel

Answer

The vessel on the port tack is the give-way vessel

Answer

The vessel with the wind astern is the give-way vessel

Question 3

In a crossing situation between two power-driven vessels, which vessel is required to give way?

Accepted Answer

The vessel that has the other on its starboard side

Answer

The vessel that has the other on its port side

Answer

The faster vessel

Answer

The vessel heading upstream

Question 4

When a vessel is overtaking another vessel, who has the right of way?

Accepted Answer

The vessel being overtaken is the stand-on vessel

Answer

The overtaking vessel has the right of way

Answer

Neither vessel has right of way; they must negotiate passage

Answer

The faster vessel always has right of way

Question 5

In a narrow channel, where should a vessel keep when it is safe and practicable?

Accepted Answer

As near to the starboard side of the channel as is safe

Answer

As near to the port side of the channel as is safe

Answer

In the center of the channel

Answer

On the downstream side at all times

Question 6

What does one short blast of a horn signal when vessels are in sight of each other?

Accepted Answer

I am altering my course to starboard

Answer

I am altering my course to port

Answer

I am operating in reverse

Answer

I intend to overtake you on your starboard side

Question 7

Which vessel category has the highest priority (must be given way to by all others) under COLREGS Rule 18?

Accepted Answer

A vessel not under command

Answer

A vessel restricted in its ability to maneuver

Answer

A vessel constrained by its draft

Answer

A sailing vessel under sail