1. 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

2. BOTH INTERNATIONAL & INLAND A vessel may use any sound or light signals to attract the attention of another vessel as long as __________.

white lights are not used
red and green lights are not used
the vessel signals such intentions over the radiotelephone
the signal cannot be mistaken for a signal authorized by the Rules

3. BOTH INTERNATIONAL & INLAND A "short blast" on the whistle has a duration of __________.

1 second
4 to 6 seconds
8 to 12 seconds
12 to 15 seconds

4. BOTH INTERNATIONAL & INLAND Signals required for vessels aground include __________.

by night, the anchor lights for a vessel of her length, and three red lights in a vertical line
a short, a prolonged, and a short blast
by day, three black balls in a vertical line
All of the above

5. INTERNATIONAL ONLY A whistle signal of one prolonged, one short, one prolonged and one short blast, is sounded by a vessel __________.

at anchor
towing a submerged object
being overtaken in a narrow channel
in distress

6. INLAND ONLY On the Western Rivers, a power-driven vessel crossing a river must __________.

maintain course and speed as you have the right of way over all vessels
keep out of the way of any vessel descending the river
keep out of the way of a power-driven vessel ascending or descending the river
None of the above

7. INLAND ONLY A barge more than 50 meters long, at anchor in a "special anchorage area designated by the Secretary", is required to show how many white anchor lights?

None
Two
One
One, on the near approach of another vessel

8. INLAND ONLY When power-driven vessels are in sight of one another, passing signals shall be sounded when __________.

meeting or crossing within half a mile of each other
meeting within one mile of each other
meeting or crossing at any distance
crossing within one mile of each other

9. BOTH INTERNATIONAL & INLAND A 15-meter sailing vessel would be required to show __________.

sidelights, sternlight, and a red light over a green light on the mast
sidelights, and sternlight, but they may be in a combined lantern on the mast
separate sidelights and sternlight
sidelights only

10. BOTH INTERNATIONAL & INLAND Which vessel may carry her sidelights and sternlight in one combined lantern?

A 10-meter power-driven vessel
A 15-meter vessel propelled by sail and machinery
A 10-meter sailing vessel
All of the above