Rule of the Road and Buoyage. Test 7 – Online Maritime Tests

The white light shown must be so fixed as to show an unbroken light over an arc of the horizon. What is the size of this arc?

112 1/2 deg. (10 points of the compass)
360 deg. (32 points of the compass)
225 deg. (20 points of the compass)
135 deg. (12 points of the compass)

The observed vessel sounds three short blasts. What does this mean?

I am altering my course to port.
I am operating stern propulsion.
I do not understand your intentions / actions.
I am altering my course to starboard.

A power driven vessel observes the stern light of another power-driven vessel on a steady bearing and reducing range on the port bow. Which vessel must give way?

No risk of collision exists
The observing vessel
The observed vessel
Both masters decide

You are underway on a tanker and observe the lights illustrated on a steady bearing and at decreasing range on the PORT bow. What do you do?

Alter course to STARBOARD and sound ONE short blast.
Alter course to PORT and sound two short blasts.
Stand on to see if the other vessel takes any action.
Maintain course and speed keeping a careful watch on the bearing of the other vessel.

What information is given about the tow shown here?

A vessel hampered by tow - tow more than 200 metres.
The tow is less than 200 metres.
A vessel hampered by her tow - tow less than 200 metres
The tow is 200 metres or more.

Whilst proceeding along a narrow channel the vessel astern sounds two prolonged blasts followed by one short blast. What does this mean?

I intend to overtake you on your port side.
I am operating stern propulsion.
I am altering my course to port.
I intend to overtake you on your starboard side.

Review Answers