1. BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?

A vessel dredging
A sailing vessel
A vessel servicing an aid to navigation
All of the above

2. INLAND ONLY Which signal must a power-driven vessel give, in addition to one prolonged blast, when backing out of a berth with another vessel in sight?

2 short blasts
1 blast
3 short blasts
4 blasts

3. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?

May be sounded by the stand-on vessel only
Indicates that the vessel is in distress
Is used to indicate a course change
May be supplemented by an appropriate light signal

4. BOTH INTERNATIONAL & INLAND The lights required by the Rules must be shown __________.

from sunrise to sunset in restricted visibility
at all times
ONLY from sunset to sunrise
whenever a look-out is posted

5. BOTH INTERNATIONAL & INLAND While underway in fog you hear a whistle signal consisting of one prolonged blast followed immediately by two short blasts. This signal is sounded in fog by __________.

vessels at anchor, not engaged in fishing
vessels underway and towing
vessels in danger
pilot vessels

6. INTERNATIONAL ONLY Which signal is sounded ONLY by a vessel in sight of another and NOT in or near an area of restricted visibility?

Four short blasts on the whistle
One prolonged blast on the whistle
One short blast on the whistle
One short, one prolonged, and one short blast on the whistle

7. BOTH INTERNATIONAL & INLAND A vessel using a traffic separation scheme shall NOT __________.

cross a traffic lane
engage in fishing the separation zone
proceed in an inappropriate traffic lane
enter the separation zone

8. BOTH INTERNATIONAL & INLAND A vessel trawling will display a __________.

red light over a white light
green light over a white light
yellow light over a red light
white light over a green light

9. BOTH INTERNATIONAL & INLAND You are approaching a vessel dredging during the day and see two balls in a vertical line on the port side of the dredge. These shapes mean that __________.

you should pass on the port side of the dredge
there is an obstruction on the port side of the dredge
the dredge is not under command
the dredge is moored

10. INLAND ONLY You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take?

Stand on.
Heave to.
Alter course to assist.
Yield the right-of-way.