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. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?

All fog signals for sailing vessels are to be given at intervals of not more than one minute.
A vessel not under command sounds the same fog signal as a vessel towed.
A pilot vessel underway and making way sounds the pilot identity signal and no other signal.
A vessel aground may sound a whistle signal.

3. BOTH INTERNATIONAL & INLAND A head-on situation at night is one in which you see dead ahead a vessel showing __________.

one sidelight
one sidelight and a masthead light
one sidelight and two masthead lights
both sidelights of a vessel and her masthead light(s)

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

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

5. BOTH INTERNATIONAL & INLAND A vessel nearing a bend where other vessels may be obscured shall sound __________.

one short blast
one long blast
two short blasts
one prolonged blast

6. BOTH INTERNATIONAL & INLAND The lights prescribed by the Rules shall be exhibited __________.

from sunrise to sunset in restricted visibility
at all times
from sunset to sunrise, and at no other time
whenever a look-out is posted

7. BOTH INTERNATIONAL & INLAND A 25-meter vessel trawling will show the dayshape(s) consisting of __________.

a basket
two balls
two cones, apexes together
a cone, apex downward

8. 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

9. 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

10. BOTH INTERNATIONAL & INLAND In a dense fog you hear a whistle signal ahead of one prolonged blast followed by three short blasts. This signal indicates a __________.

fishing vessel underway trawling
manned vessel being towed
pilot vessel underway making a special signal
vessel not under command