1. INTERNATIONAL ONLY The light which may be used with a vessel's whistle is to be __________.

used when the whistle is broken
used prior to sounding the whistle
used only at night
a white light

2. INTERNATIONAL ONLY Two prolonged blasts followed by one short blast on the whistle is a signal which would be sounded by a vessel __________.

overtaking another in a narrow channel
anchored
engaged in mineclearance
engaged in fishing

3. BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel underway must exhibit a __________.

sternlight
combined lantern
red light over a green light at the masthead
All of the above

4. BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.

she is showing sidelights
her sidelights are combined and shown on the fore and aft centerline of the vessel
she is showing a sternlight
her sidelights and sternlight are combined in one lantern and shown on the mast

5. BOTH INTERNATIONAL & INLAND A power-driven vessel shows the same lights as a __________.

vessel engaged in towing, when not underway
vessel towing astern
sailing vessel
pushing vessel and a vessel being pushed, when they are rigidly connected in a composite unit

6. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the danger signal?

May be sounded by the stand-on vessel only
Indicates that the vessel is in distress
Is used to indicate a course change
May be supplemented by an appropriate light signal

7. INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

alternating red and yellow light
alternating white and yellow light
all-round white or yellow light
all-round white light only

8. BOTH INTERNATIONAL & INLAND A man aboard a vessel, signaling by raising and lowering his outstretched arms to each side, is indicating __________.

danger, stay away
all is clear, it is safe to pass
the vessel is anchored
a distress signal

9. BOTH INTERNATIONAL & INLAND A vessel engaged in mineclearance operations shows special identity lights __________.

instead of the masthead lights
which mean that other vessels should not approach within 1000 meters
that are 225° green lights
All of the above

10. BOTH INTERNATIONAL & INLAND You hear the fog signal of another vessel forward of your beam. Risk of collision may exist. You MUST __________.

reduce speed to bare steerageway
stop your engines
begin a radar plot
All of the above