1. BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.

at all times
only if manned
only if towed astern
Need not be lighted

2. BOTH INTERNATIONAL & INLAND Dayshapes must be displayed __________.

between sunset and sunrise
only between 8 AM and 4 PM
during daylight hours in any visibility
during daylight hours in unrestricted visibility only

3. INLAND ONLY A barge more than 50 meters long is required to show how many white anchor lights when anchored in a Secretary of Transportation approved "special anchorage area"?

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

4. BOTH INTERNATIONAL & INLAND Which vessel is directed not to impede the passage of a vessel which can only navigate inside a narrow channel?

A vessel of less than 20 meters in length
A vessel not under command
A vessel engaged in surveying
All of the above

5. BOTH INTERNATIONAL & INLAND What lights must sailboats show when underway at night?

One all-round white light
A sternlight
Red and green sidelights
Red and green sidelights and a sternlight

6. BOTH INTERNATIONAL & INLAND A vessel shall slacken her speed, stop, or reverse her engines, if necessary, to_______________________.

avoid collision
allow more time to assess the situation
be stopped in an appropriate distance
All of the above

7. BOTH INTERNATIONAL & INLAND The steering and sailing rules for vessels in restricted visibility apply to vessels __________.

in sight of one another in fog
navigating in or near an area of restricted visibility
only if they are showing special purpose lights
only if they have operational radar

8. BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

A vessel towing astern
A vessel trawling
A vessel not under command
A vessel engaged in dredging operations

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

sailing ships
nondisplacement craft
seaplanes
All of the above

10. INTERNATIONAL ONLY The light which may be used with a vessel's whistle must be __________.

used when the whistle is broken
a white light
used only at night
used prior to sounding the whistle