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

not under command
being towed
on pilotage duty
aground

2. BOTH INTERNATIONAL & INLAND Of the vessels listed, which must keep out of the way of all the others?

A sailing vessel
A vessel restricted in her ability to maneuver
A vessel not under command
A vessel engaged in fishing

3. INLAND ONLY Your vessel must remain in a narrow channel for safe operation. Another vessel is crossing the channel from your starboard. You do not think she will pass safely. You MUST __________.

stop your vessel, since the other vessel has the right of way
sound one short blast of the whistle, and turn to starboard
sound the danger signal
stop your engines, and you may sound the danger signal

4. BOTH INTERNATIONAL & INLAND When is a stand-on vessel FIRST allowed by the Rules to take action in order to avoid collision?

When the two vessels are less than half a mile from each other.
When the give-way vessel is not taking appropriate action to avoid collision.
When collision is imminent.
The stand-on vessel is never allowed to take action.

5. BOTH INTERNATIONAL & INLAND What signal would a vessel aground show during daylight?

One black ball
Two black balls
Three black balls
Four black balls

6. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?

Amber (yellow)
White
Blue
Red

7. 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

8. INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

search and rescue
restricted in ability to maneuver
not under command
river bank protection

9. BOTH INTERNATIONAL & INLAND The term "restricted visibility" as used in the Rules refers __________.

only to fog
only to visibility of less than one-half of a mile
to visibility where you cannot see shore
to any condition where visibility is restricted

10. BOTH INTERNATIONAL & INLAND A lantern combining the two sidelights and sternlight may be shown on a __________.

10-meter sailing vessel
20-meter vessel engaged in fishing and making way
25-meter power-driven vessel engaged in trolling
25-meter pilot vessel