1. 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

2. BOTH INTERNATIONAL & INLAND A vessel showing a green light over a white light in a vertical line above the level of the sidelights is __________.

engaged in underwater construction
under sail and power
a pilot vessel
trawling

3. BOTH INTERNATIONAL & INLAND Which requirement must be met in order for a stand-on vessel to take action to avoid collision?

Risk of collision must exist.
The give-way vessel must have taken action first.
The vessels must be within half a mile of each other.
There are no requirements to be met. The stand-on vessel may take action anytime.

4. BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?

The sidelights and sternlight may be combined in one lantern.
When operating under sail, her fog signal would consist of one prolonged blast.
She may show a green light over a red light at the masthead.
She must show fixed sidelights.

5. BOTH INTERNATIONAL & INLAND A sailing vessel with the wind abaft the beam is navigating in fog. She should sound __________.

three short blasts
one prolonged blast
one prolonged and two short blasts
two prolonged blasts

6. BOTH INTERNATIONAL & INLAND A vessel anchored in fog may warn an approaching vessel by sounding __________.

the whistle continuously
one short, one prolonged, and one short blast of the whistle
five or more short and rapid blasts of the whistle
three distinct strokes on the bell before and after sounding the anchor signal

7. BOTH INTERNATIONAL & INLAND Your vessel is underway but stopped and making no way through the water when fog sets in. Which fog signal should you sound?

One prolonged blast on the whistle
One prolonged blast and two short blasts on the whistle
Two prolonged blasts on the whistle
One short, one prolonged, and one short blast on the whistle

8. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, is NOT required to show anchor lights?

A power-driven vessel
A vessel engaged on pilotage duty
A vessel dredging
A vessel restricted in her ability to maneuver

9. BOTH INTERNATIONAL & INLAND You are underway, in fog, when you hear a whistle signal of one prolonged blast followed by two short blasts. This signal could indicate a vessel __________.

not under command
being towed
aground
All of the above

10. BOTH INTERNATIONAL & INLAND A vessel is "engaged in fishing" when __________.

her gear extends more than 100 meters from the vessel
she is using any type of gear, other than lines
she is using fishing apparatus which restricts her maneuverability
she has any fishing gear on board