1. 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

2. BOTH INTERNATIONAL & INLAND You are approaching a narrow channel. Another vessel in the channel can only be navigated safely in that channel. You should __________.

not cross the channel if you might impede the other vessel
hold your course and speed if she is on your port bow
sound three short blasts, and take all way off your vessel
sound two prolonged blasts followed by one short blast

3. 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

4. BOTH INTERNATIONAL & INLAND A towing light is a yellow light having the same characteristics as a(n) __________.

special flashing light
anchor light
sternlight
masthead light

5. BOTH INTERNATIONAL & INLAND A "head on" situation shall be deemed to exist at night when a power-driven vessel sees another power-driven vessel ahead and __________.

one sidelight and the masthead light are visible
the vessels will pass closer than half a mile
both vessels sound one prolonged blast
both sidelights and masthead light(s) are visible

6. 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

7. BOTH INTERNATIONAL & INLAND According to the Rules, which vessel is NOT "restricted in her ability to maneuver"?

A vessel servicing a navigation marker
A sailing vessel
A vessel mineclearing
A vessel dredging

8. INLAND ONLY Under the Inland Navigation Rules, what is the meaning of the two short blasts signal used when meeting another vessel?

"I am turning to starboard."
"I am turning to port."
"I intend to leave you on my starboard side."
"I intend to leave you on my port side."

9. BOTH INTERNATIONAL & INLAND You are approaching a bend in a river where, due to the bank, you cannot see around the other side. A vessel on the other side of the bend sounds one prolonged blast. You should __________.

sound passing signals
not sound any signal until you sight the other vessel
sound a prolonged blast
sound the danger signal

10. INTERNATIONAL ONLY Which vessel shall avoid impeding the safe passage of a vessel constrained by her draft?

A vessel not under command
A sailing vessel
A vessel restricted in her ability to maneuver
All of the above