1. BOTH INTERNATIONAL & INLAND For identification purposes at night, U.S. Navy submarines on the surface may display an intermittent flashing light of which color?

Amber (yellow)
White
Blue
Red

2. INLAND ONLY You are approaching a sharp bend in a river. You have sounded a prolonged blast and it has been answered by a vessel on the other side of the bend. Which statement is TRUE?

Both vessels must exchange passing signals when in sight and passing within one-half mile of each other.
No further whistle signals are necessary.
The vessel downriver must stop her engines and navigate with caution.
Both vessels must immediately sound passing signals whether or not they are in sight of each other.

3. BOTH INTERNATIONAL & INLAND A power-driven vessel is underway in fog but stopped and making no way through the water. What is the required fog signal?

One prolonged blast at not more than one-minute intervals
Two prolonged blasts at not more than one-minute intervals
One prolonged blast at not more than two-minute intervals
Two prolonged blasts at not more than two-minute intervals

4. BOTH INTERNATIONAL & INLAND A vessel showing a yellow light over a white light at night is a vessel __________.

engaged in piloting
towing astern
engaged in fishing
in distress

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

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

6. BOTH INTERNATIONAL & INLAND What must be TRUE in order for a stand-on vessel to take action to avoid collision by her maneuver alone?

She must be in sight of the give-way vessel.
There must be risk of collision.
She must determine that the give-way vessel is not taking appropriate action.
All of the above

7. BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.

vessel laying cable
vessel towing a submerged object
vessel not under command
air cushion vessel

8. BOTH INTERNATIONAL & INLAND Three short blasts of the whistle means __________.

"danger"
"I am in distress"
the vessel is not under command (broken down)
"I am operating astern propulsion"

9. BOTH INTERNATIONAL & INLAND Which vessel, when anchored at night, would NOT be required to show anchor lights?

A power-driven vessel
A vessel on pilotage duty
A vessel dredging
A vessel restricted in her ability to maneuver

10. BOTH INTERNATIONAL & INLAND Two vessels are meeting head-on. How must the vessels pass?

One vessel must alter course while the other must continue on its course.
The vessels should determine which will alter course by sounding whistle signals.
Both vessels should alter course to port and pass starboard to starboard.
Both vessels should alter course to starboard and pass port to port.