1. BOTH INTERNATIONAL & INLAND The duration of each blast of the whistle signals used in meeting and crossing situations is __________.

about 1 second
2 or 4 seconds
4 to 6 seconds
8 to 10 seconds

2. INLAND ONLY At night, what lights are required on barges moored in a group formation at a river bank?

A flashing yellow light placed at each of the upstream and downstream ends of the group
A white light placed at the corners farthest from the bank of each barge in the group
A white light placed at the corners farthest from the bank on each of the upstream and downstream ends of the group
Two red lights in a vertical line placed at the corners farthest from the bank on each of the upstream and downstream ends of the group

3. BOTH INTERNATIONAL & INLAND Which vessel is "underway" under the Rules of the Road?

A vessel at anchor with the engine running
A vessel with a line led to a tree onshore
A vessel drifting with the engine off
A vessel aground

4. INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

all-round white or yellow light
all-round yellow light only
all-round white light only
Any colored light is acceptable.

5. INTERNATIONAL ONLY Which statement applies to a vessel "constrained by her draft"?

She is severely restricted in her ability to change her course because of her draft in relation to the available depth of water.
The term applies only to vessels in marked channels.
She is designated as a "vessel restricted in her ability to maneuver".
The vessel must be over 100 meters in length.

6. 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 __________.

river bank protection
conducting submarine operations
firefighting
law enforcement

7. BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.

special flashing light
anchor light
sternlight
masthead light

8. BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and sternlight in one lantern on the fore and aft centerline of the vessel?

A 16-meter sailing vessel
A 25-meter power-driven vessel
A 28-meter sailing vessel
Any non-self-propelled vessel

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

A vessel towing
A vessel being towed
A pilot vessel engaged on pilotage duty
A vessel aground

10. BOTH INTERNATIONAL & INLAND A sailing vessel underway at night may show __________.

a red light over a green light at the masthead
a green light over a red light at the masthead
two white lights in a vertical line at the stern
an all-round white light at the bow