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

vessel not under command
air cushion vessel in the nondisplacement mode
vessel towing a submerged object
vessel engaged in diving operations

2. INTERNATIONAL ONLY You are in charge of a 250-meter freight vessel constrained by her draft proceeding down a narrow channel. There is a vessel engaged in fishing on your starboard bow half a mile away. According to Rule 9, which statement is TRUE?

You are not to impede the fishing vessel.
If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle.
You are to slow to bare steerageway until clear of the fishing vessel.
You must sound one prolonged blast to alert the fishing vessel.

3. INTERNATIONAL ONLY Which vessel would NOT sound a fog signal of one prolonged and two short blasts?

A vessel not under command
A vessel constrained by her draft
A vessel being towed
A vessel sailing

4. BOTH INTERNATIONAL & INLAND Which vessel shall NOT impede the passage of a vessel which can safely navigate only within a narrow channel or fairway?

A vessel of less than 20 meters in length
A vessel sailing
A vessel fishing
All of the above

5. INTERNATIONAL ONLY Which statement is TRUE concerning a vessel "constrained by her draft"?

She is hampered because of her work.
She is unable to maneuver due to some exceptional circumstance.
She may be a vessel being towed.
She must be a power-driven vessel.

6. BOTH INTERNATIONAL & INLAND Risk of collision may be deemed to exist __________.

if the compass bearing of an approaching vessel does NOT appreciably change
even when an appreciable bearing change is evident, particularly when approaching a vessel at close range
if you observe both sidelights of a vessel ahead for an extended period of time
All of the above

7. INLAND ONLY A vessel proceeding downstream in a narrow channel on the Western Rivers sights another vessel moving upstream. Which vessel has the right of way?

The vessel moving upstream against the current
The vessel moving downstream with a following current
The vessel located more towards the channel centerline
The vessel sounding the first whistle signal

8. BOTH INTERNATIONAL & INLAND Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation?

You should maintain course and speed.
The container vessel is the stand-on as it is the larger vessel.
You are not to impede the safe passage of the container vessel in the channel.
None of the above

9. INLAND ONLY Which indicates the presence of a partly submerged object being towed?

A diamond shape on the towed object
An all-round light at each end of the towed object
A searchlight beamed from the towing vessel in the direction of the tow
All of the above

10. BOTH INTERNATIONAL & INLAND During the day, a dredge will indicate the side on which it is safe to pass by displaying __________.

two balls in a vertical line
two diamonds in a vertical line
a single black ball
no shape is shown during the day