1. BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see __________.

one sidelight of a vessel ahead of you
one sidelight and a masthead light of a vessel ahead of you
one sidelight, a masthead light, and a range light of a vessel ahead of you
both sidelights of a vessel dead ahead of you

2. INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.

intends to alter course to starboard
intends to pass starboard to starboard
is altering course to starboard
intends to pass port to port

3. BOTH INTERNATIONAL & INLAND You are underway in thick fog. You have not determined if risk of collision exists. Which statement is TRUE?

Your speed must be reduced to bare steerageway.
A look-out is not required if the radar is on.
Fog signals are only required when a vessel is detected by radar.
The radar should always be kept on a short-range scale.

4. BOTH INTERNATIONAL & INLAND By radar alone, you detect a vessel ahead on a collision course, about 3 miles distant. Your radar plot shows this to be a meeting situation. You should __________.

turn to port
turn to starboard
maintain course and speed and sound the danger signal
maintain course and speed and sound no signal

5. BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. It could be a __________.

30-meter sail vessel at anchor
150-meter power-driven vessel aground
vessel in distress
300-meter power-driven vessel at anchor

6. BOTH INTERNATIONAL & INLAND Which signal may be used by a vessel that is in doubt as to whether sufficient action is being taken by another vessel to avoid collision?

A continuous sounding of the fog horn
Firing a gun every minute
Five or more short rapid blasts on the whistle
One prolonged blast on the whistle

7. INTERNATIONAL ONLY Your vessel is backing out of a slip in a harbor. Visibility is restricted. You should sound __________.

one prolonged blast only
one prolonged blast followed by three short blasts when the last line is taken aboard
one prolonged blast followed by three short blasts when leaving the slip
the danger signal

8. BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from a __________.

vessel engaged in fishing at anchor
sailing vessel at anchor
vessel 150 meters in length at anchor
vessel aground

9. INTERNATIONAL ONLY A vessel constrained by her draft may display __________.

three all-round red lights
two 225° red lights
three all-round blue lights
two 225° blue lights

10. 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.