1. BOTH INTERNATIONAL & INLAND A vessel conducting mineclearing operations will show __________.

three balls in a vertical line
two balls in a vertical line
one ball near the foremast and one ball at each fore yard
one diamond near the foremast head and one ball at each fore yard

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 A commercial vessel engaged in public safety activities may display a(n) __________.

flashing blue light
alternately flashing red and yellow light
flashing yellow light
alternately flashing blue and red light

4. BOTH INTERNATIONAL & INLAND Your vessel is NOT making way, but is not in any way disabled. Another vessel is approaching you on your starboard beam. Which statement is TRUE?

The other vessel must give way since your vessel is stopped.
Your vessel is the give-way vessel in a crossing situation.
You should be showing the lights or shapes for a vessel not under command.
You should be showing the lights or shapes for a vessel restricted in her ability to maneuver.

5. BOTH INTERNATIONAL & INLAND The word "vessel", in the Rules, includes __________.

a barge permanently affixed to the shore
nondisplacement craft
a drilling unit attached to the Outer Continental Shelf
All of the above

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. INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

When overtaking in restricted visibility
When overtaking in a narrow channel
When overtaking on open waters
When no other vessels are in the immediate area

8. BOTH INTERNATIONAL & INLAND In restricted visibility, a vessel restricted in her ability to maneuver, at anchor, would sound a fog signal of __________.

the rapid ringing of a bell for five seconds every minute
two prolonged and two short blasts every two minutes
one prolonged and two short blasts every two minutes
two prolonged and one short blast every two minutes

9. INLAND ONLY A partially submerged object towed by a vessel must show during the day one __________.

diamond shape regardless of length of the tow
diamond shape only when the length of the tow exceeds 200 meters in length
black ball
black ball only when the length of the tow exceeds 200 meters in length

10. INTERNATIONAL ONLY A vessel displaying three red lights in a vertical line is __________.

restricted in her ability to maneuver
not under command
engaged in mineclearing operations
constrained by her draft