1. BOTH INTERNATIONAL & INLAND If you do NOT understand the course or intention of an approaching vessel you should sound __________.

one short blast
one prolonged blast
not less than five short blasts
not less than five prolonged blasts

2. BOTH INTERNATIONAL & INLAND Five or more short blasts on a vessel's whistle indicates that she is __________.

in doubt that another vessel is taking sufficient action to avoid a collision
altering course to starboard
altering course to port
the stand-on vessel and will maintain course and speed

3. BOTH INTERNATIONAL & INLAND What describes a head-on situation?

Seeing a vessel displaying both sidelights ONLY dead ahead
Seeing two forward white towing identification lights in a vertical line on a towing vessel directly ahead
Seeing both sidelights of a vessel directly off your starboard beam
Seeing both sidelights and masthead light(s) of a vessel dead ahead

4. BOTH INTERNATIONAL & INLAND You are in charge of a stand-on vessel in a crossing situation. The other vessel is 1.5 miles to port. You believe that risk of collision exists. You should __________.

take avoiding action immediately upon determining that risk of collision exists
immediately sound the danger signal, and change course
take avoiding action only after giving the give-way vessel time to take action, and determining that her action is not appropriate
hold course and speed until the point of extremis, and then sound the danger signal, taking whatever action will best avoid collision

5. BOTH INTERNATIONAL & INLAND What signal indicates doubt that sufficient action is being taken by another vessel to avoid collision?

Five short and rapid blasts of the whistle
Three long blasts of the whistle
Three short and rapid blasts of the whistle
One prolonged blast followed by three short blasts of the whistle

6. 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

7. BOTH INTERNATIONAL & INLAND You are the stand-on vessel in a crossing situation. If you think the give-way vessel is NOT taking sufficient action to avoid collision, you should sound __________.

the danger signal
two short blasts, alter to port, and pass astern
no signal and maneuver at will
one short blast and maintain course

8. BOTH INTERNATIONAL & INLAND Which is NOT a distress signal?

Flames on a vessel
Vertical motion of a white lantern at night
Code flags "November" and "Charlie"
Dye marker on the water

9. BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for bell & gong signals?

A vessel of less than 12 meters in length need not have any sound signaling equipment.
Manual sounding of the signals must always be possible.
Any vessel over 12 meters in length must be provided with a gong.
Signals must be able to be sounded manually and automatically.

10. BOTH INTERNATIONAL & INLAND A towing vessel pushing a barge ahead and rigidly connected in a composite unit shall show the lights of __________.

a vessel towing by pushing ahead
a power-driven vessel, not towing
a barge being pushed ahead
either answer A or answer B