1. BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?

Intermittent flashing amber (yellow) beacon for submarines
Green masthead and yardarm lights indicating mine clearance operations
Red-white-red lights in a vertical line for a carrier, launching aircraft
Yellow flares indicating torpedo firing exercises

2. BOTH INTERNATIONAL & INLAND The wind is ESE, and a sailing vessel is steering NW. Which fog signal should she sound?

One blast at one-minute intervals
One blast at two-minute intervals
Two blasts at one-minute intervals
One prolonged and two short blasts at two-minute intervals

3. BOTH INTERNATIONAL & INLAND A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights __________.

do not interfere with the keeping of a proper look-out
are not the color of either sidelight
have a lesser range than the prescribed lights
All of the above

4. BOTH INTERNATIONAL & INLAND When should the fog signal of a manned vessel under tow be sounded?

After the towing vessel's fog signal
Before the towing vessel's fog signal
Approximately one minute after the towing vessel's fog signal
If the towing vessel is sounding a fog signal, the manned vessel being towed is not required to sound any fog signal.

5. BOTH INTERNATIONAL & INLAND Which vessel would exhibit sidelights when underway and not making way?

A vessel not under command
A vessel towing by pushing ahead
A vessel engaged in dredging
A vessel trawling

6. INTERNATIONAL ONLY A vessel sounds one short blast. This signal indicates the vessel __________.

intends to alter course to starboard
intends to pass starboard to starboard
is altering course to starboard
intends to pass port to port

7. INTERNATIONAL ONLY A signal of one prolonged, one short, one prolonged, and one short blast, in that order is given by a vessel __________.

engaged on pilotage duty
in distress
at anchor
being overtaken in a narrow channel

8. BOTH INTERNATIONAL & INLAND If you saw flames aboard a vessel but could see the vessel was not on fire, you would know that the __________.

crew was trying to get warm
vessel required immediate assistance
vessel was attempting to attract the attention of a pilot boat
vessel was being illuminated for identification by aircraft

9. BOTH INTERNATIONAL & INLAND The rules concerning lights shall be complied with in all weathers from sunset to sunrise. The lights __________.

shall be displayed in restricted visibility during daylight hours
need not be displayed when no other vessels are in the area
shall be set at low power when used during daylight hours
need not be displayed by unmanned vessels

10. INLAND ONLY You are the stand-on vessel in a crossing situation. The other vessel is showing an alternating red and yellow light. Which action should you take?

Stand on.
Heave to.
Alter course to assist.
Yield the right-of-way.