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

there are no other vessels around
operating in a narrow channel
the Master enters it in the ship's log
necessary to avoid immediate danger

2. INLAND ONLY What characteristic must a light have if used to signal passing intentions?

It must be an all-round white light.
It must be an alternating blue and white light.
It must be either an all-round white or an all-round yellow light.
It must be an alternating red and yellow light.

3. BOTH INTERNATIONAL & INLAND The lights required by the Rules must be shown __________.

from sunrise to sunset in restricted visibility
at all times
ONLY from sunset to sunrise
whenever a look-out is posted

4. BOTH INTERNATIONAL & INLAND A proper look-out shall be maintained __________.

only at night
only during restricted visibility
at night and during restricted visibility
at all times

5. INTERNATIONAL ONLY Two power-driven vessels are meeting. A two blast whistle signal by either vessel means __________.

"I intend to alter course to port"
"I desire to pass starboard to starboard"
"I desire to pass port to port"
"I am altering course to port"

6. BOTH INTERNATIONAL & INLAND What light(s), if any, would you show at night if your vessel was broken down and being towed astern by another vessel?

None
Same lights as for a power-driven vessel underway
A white light forward and a white light aft
The colored sidelights and a white sternlight

7. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a vessel equipped with operational radar?

She must use this equipment to obtain early warning of risk of collision.
The radar equipment is only required to be used in restricted visibility.
The use of a radar excuses a vessel from the need of a look-out.
The safe speed of such a vessel will likely be greater than that of vessels without radar.

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

Seeing one red light of a vessel directly ahead
Seeing two forward white towing 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 of a vessel directly ahead

9. INLAND ONLY While underway in a harbor you hear a vessel sound a prolonged blast. This signal indicates that this vessel __________.

desires to overtake your vessel
is at anchor
is backing her engines
is moving from a dock

10. BOTH INTERNATIONAL & INLAND While underway in fog, you hear a vessel sound four short blasts in succession. What does this signal indicate?

A pilot vessel
A vessel being towed
A vessel fishing
A sailboat