1. BOTH INTERNATIONAL & INLAND The Rules state that vessels may depart from the requirements of the Rules when __________.

operating in restricted visibility
operating in a narrow channel
necessary to avoid immediate danger
the Master enters it in the ship's log

2. INLAND ONLY Passing signals shall be sounded on inland waters by __________.

all vessels upon sighting another vessel rounding a bend in the channel
towing vessel when meeting another towing vessel on a clear day with a 0.6 mile CPA (Closest Point of Approach)
a power-driven vessel when crossing less than half a mile ahead of another power-driven vessel
All of the above

3. BOTH INTERNATIONAL & INLAND What dayshape is to be shown by a vessel aground?

A cylinder
Two cones with their apexes together
Two black balls in a vertical line
Three black balls in a vertical line

4. BOTH INTERNATIONAL & INLAND A power-driven vessel has on her port side a sailing vessel which is on a collision course. The power-driven vessel is to __________.

maintain course and speed
keep clear, passing at a safe distance
sound one blast and turn to starboard
stop her engines

5. INLAND ONLY In a narrow channel, a power-driven vessel desiring to overtake another power-driven vessel on the other vessel's starboard side will sound a whistle signal of __________.

one short blast
two short blasts
two prolonged blasts followed by one short blast
two prolonged blasts followed by two short blasts

6. INLAND ONLY One and two short blast signals must be sounded on inland waters when __________.

two sailing vessels are in sight of one another and meeting at a distance of one quarter mile
two power-driven vessels are in sight of one another and will cross at a distance of one mile
two power-driven vessels are crossing within half a mile of each other and NOT in sight of each other
Two power-driven vessel are in sight of one another and are meeting at a distance of one half mile

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

being towed
not under command
fishing with trawls
towing astern

8. BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?

A vessel of less than 20 meters in length
A vessel sailing
A vessel fishing
All of the above

9. INLAND ONLY A flashing blue light is used to identify __________.

law enforcement vessels
U.S. submarines
air-cushion vessels in the nondisplacement mode
dredge pipelines on trestles

10. BOTH INTERNATIONAL & INLAND You are in charge of a 120-meter power-driven vessel at anchor in fog, sounding the required anchor signals. You hear the fog signal of a vessel underway off your port bow. You may sound __________.

at least five short and rapid blasts
two short blasts
one short, one prolonged, and one short blast
three short blasts