1. INLAND ONLY A flashing blue light is used to identify __________.

law enforcement vessels
U.S. submarines
air-cushion vessels in the nondisplacement mode
dredge pipelines on trestles

2. BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel making way in dense fog. You observe what appears to be another vessel on radar half a mile distant on your port bow and closing. You must __________.

sound the danger signal
exchange passing signals
sound one prolonged blast
sound one short, one prolonged, and one short blast

3. INLAND ONLY A towing vessel pushing ahead on the Western Rivers above the Huey P. Long bridge must show __________.

sidelights only
sidelights and towing lights
sidelights, towing lights, and two masthead lights
sidelights, towing lights, and three masthead lights

4. INTERNATIONAL ONLY You are in charge of a 250-meter freight vessel constrained by her draft proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. According to Rule 9, which statement is TRUE?

You are not to impede the fishing vessel.
If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle.
You are to slow to bare steerageway until clear of the fishing vessel.
You must sound one prolonged blast to alert the fishing vessel.

5. INLAND ONLY Only law enforcement vessels are permitted to show __________.

two red lights in a vertical line
a flashing yellow light
an alternately flashing red and yellow light
a flashing blue light

6. BOTH INTERNATIONAL & INLAND Navigation lights must be displayed in all weathers from sunset to sunrise. They also __________.

must be displayed when day signals are being used
must be displayed when moored to a pier
may be extinguished at night on open waters when no other vessels are in the area
may be displayed during daylight

7. BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.

only at night
only during restricted visibility
at night and during restricted visibility
at all times

8. BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the Rules when __________.

there are no other vessels around
operating in a narrow channel
the Master enters it in the ship's log
necessary to avoid immediate danger

9. BOTH INTERNATIONAL & INLAND At night, a broken down vessel being towed would show the same lights as __________.

a power-driven vessel underway
the towing vessel
a barge
a vessel at anchor

10. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?

Use of such a light is required.
The light shall have the same characteristics as a masthead light.
It is only used to supplement short blasts of the whistle.
All of the above