1. INLAND ONLY You are on a vessel that the Secretary has determined cannot comply with the spacing requirement for masthead lights. What is required in this situation?

The vessel must carry only the lights that comply with the rules; the others may be omitted.
The vessel's lights must comply as closely as possible.
The vessel must be altered to permit full compliance with the rules.
An all-round light should be substituted for the after masthead light and the sternlight.

2. BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.

one masthead light and a sternlight
two masthead lights and a sternlight
three masthead lights and a sternlight
a sternlight ONLY

3. BOTH INTERNATIONAL & INLAND A vessel at anchor will show a __________.

ball
cone
cylinder
double cone, apexes together

4. 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

5. BOTH INTERNATIONAL & INLAND In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows __________.

a basket
a black ball
a black cone
two black cones

6. INTERNATIONAL ONLY You intend to overtake a vessel in a narrow channel, and you intend to pass along the vessel's port side. How should you signal your intention?

Two short blasts followed by two prolonged blasts
Two prolonged followed by two short blasts
Two prolonged blasts only
Two short blasts only

7. BOTH INTERNATIONAL & INLAND You are on watch in fog. Which vessel is "in sight"?

A vessel that you can see from the bridge
A radar target of which you have determined the course and speed
A vessel from which you can hear the fog signal
All of the above

8. BOTH INTERNATIONAL & INLAND You are crossing a narrow channel in a 15-meter vessel when you sight a tankship off your port bow coming up the channel. Which statement is TRUE?

Yours is the give-way vessel because it is less than 30 meters long.
You shall not impede the safe passage of the tankship.
The tankship is the stand-on vessel because it is to port of your vessel.
The tankship is the stand-on vessel because it is the larger of the two vessels.

9. BOTH INTERNATIONAL & INLAND At night, which lights are required to be shown by a dredge on the side of the dredge which another vessel may pass?

One red light
Two red lights
One white light
Two green lights

10. BOTH INTERNATIONAL & INLAND If a vessel is engaged in fishing according to the definitions in the Rules, it will have __________.

gear extending from the side or stern
gear that restricts maneuverability
less than 50 percent trolling lines
None of the above