1. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound one prolonged blast followed by two short blasts on the whistle. What does this signal indicate?

A vessel towing
A vessel engaged in pilotage duty
A vessel being towed
A vessel aground

2. INLAND ONLY Signals shall be sounded by a power-driven vessel intending to overtake __________.

any vessel when within half a mile of that vessel
another power-driven vessel when both power-driven vessels are in sight of one another
any vessel when both are in sight of one another
another power-driven vessel only when within half a mile of that power-driven vessel

3. INTERNATIONAL ONLY If a vessel displays three all-round red lights in a vertical line at night, during the day she may show __________.

three balls in a vertical line
a cylinder
two diamonds in a vertical line
two cones, apexes together

4. INTERNATIONAL ONLY You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made. You should __________.

hold course and sound a two blast whistle signal
hold course and sound no whistle signal
change course to the right and sound one blast
hold course and sound two prolonged and two short blasts

5. BOTH INTERNATIONAL & INLAND Your vessel is 75 meters in length and restricted in her ability to maneuver. Visibility is restricted. What signal do you sound if you are carrying out your work at anchor?

Five seconds ringing of a bell at intervals of not more than one minute
One prolonged blast followed by two short blasts on the whistle at intervals of not more than two minutes
Five seconds ringing of a bell and five second sounding of a gong at intervals of not more than one minute
Four short blasts on the whistle at intervals of not more than two minutes

6. BOTH INTERNATIONAL & INLAND Which statement is true concerning the light used to accompany whistle signals?

It is only used to supplement short blasts of the whistle.
It is mandatory to use such a light.
The light shall have the same characteristics as a masthead light.
All of the above

7. BOTH INTERNATIONAL & INLAND In fog, you hear apparently forward of your beam a fog signal of 2 prolonged blasts in succession every two minutes. This signal indicates a __________.

power-driven vessel making way through the water
vessel being pushed ahead
vessel restricted in her ability to maneuver
power-driven vessel underway but stopped and making no way through the water

8. BOTH INTERNATIONAL & INLAND A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?

During the day, she would display three balls in a vertical line.
If making way, she would show masthead lights at night.
If at anchor, she need not show anchor lights while displaying identifying lights.
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute.

9. BOTH INTERNATIONAL & INLAND A power-driven vessel, when towing another vessel astern shall show the light(s) in Diagram __________.

1
2
3
4

10. BOTH INTERNATIONAL & INLAND There is a provision to depart from the Rules, if necessary, to avoid __________.

a close-quarters situation
an overtaking situation
immediate danger
Any of the above