1. 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

2. BOTH INTERNATIONAL & INLAND What does the word "breadth" mean in the Rules?

Breadth on the uppermost continuous deck
Molded breadth
Greatest breadth
Breadth at the load waterline

3. INTERNATIONAL ONLY You are on a vessel that 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, as determined by her government.
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.

4. BOTH INTERNATIONAL & INLAND Which vessel must sound her fog signal at intervals not to exceed one minute?

A power-driven vessel underway, not making way
A vessel constrained by her draft
A vessel engaged in fishing, at anchor
A vessel aground

5. BOTH INTERNATIONAL & INLAND At night, power-driven vessels less than 12 meters in length may, instead of the underway lights for vessels under 50 meters, show which lights?

Sidelights and sternlight
One all-round white light and sidelights
Masthead light only
Sternlight only

6. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a signal of one prolonged blast followed by three short blasts. This is the fog signal for a vessel __________.

towing
manned being towed
unmanned being towed
at anchor

7. BOTH INTERNATIONAL & INLAND Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel?

The power-driven vessel must keep out of the way of the sailing vessel.
A "special circumstance" situation exists.
The sailing vessel must keep out of the way of the power- driven vessel.
The vessel which has the other vessel to the right must keep out of the way.

8. BOTH INTERNATIONAL & INLAND The term "prolonged blast" means a blast of __________.

two to four seconds duration
four to six seconds duration
six to eight seconds duration
eight to ten seconds duration

9. BOTH INTERNATIONAL & INLAND A tug is towing three manned barges in line in fog. The first vessel of the tow should sound __________.

no fog signal
one short blast
one prolonged and three short blasts
one prolonged, one short, and one prolonged blast

10. BOTH INTERNATIONAL & INLAND Which signal is recognized as a distress signal?

Directing the beam of a searchlight at another vessel
A smoke signal giving off orange colored smoke
A whistle signal of one prolonged and three short blasts
International Code Signal "PAN" spoken over theradiotelephone