1. INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. This special light may be used by a vessel engaged in __________.

search and rescue
restricted in ability to maneuver
not under command
river bank protection

2. 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 dredging
A sailing vessel
A vessel servicing an aid to navigation
All of the above

3. BOTH INTERNATIONAL & INLAND A 20-meter sailing vessel underway must exhibit a __________.

sternlight
combined lantern
red light over a green light at the masthead
All of the above

4. BOTH INTERNATIONAL & INLAND Underway at night you see the red sidelight of a vessel well off your port bow. Which statement is TRUE?

You are required to alter course to the right.
You must stop engines.
You are on a collision course with the other vessel.
You may maintain course and speed.

5. INTERNATIONAL ONLY A light used to signal passing intentions must be an __________.

all-round yellow light only
all-round white light only
all-round blue light only
alternating red and yellow light

6. BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a 75-meter power-driven vessel underway at night?

She must exhibit an all-round white light at the stern.
She must exhibit forward and after masthead lights.
She must exhibit only a forward masthead light.
She may exhibit a red light over a green light forward.

7. BOTH INTERNATIONAL & INLAND A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall, when making way, exhibit __________.

the masthead lights for a towing vessel
the lights for a vessel restricted in its ability to maneuver
sidelights, sternlight and towing light
All of the above

8. BOTH INTERNATIONAL & INLAND What determines if a vessel is "restricted in her ability to maneuver"?

Whether or not all of the vessel's control equipment is in working order
The vessel's draft in relation to the available depth of water
Whether the nature of the vessel's work limits maneuverability required by the Rules
Whether or not the vessel is the give-way vessel in a meeting situation

9. BOTH INTERNATIONAL & INLAND When do the Rules require both vessels to change course?

Any time the danger signal is sounded
When two power-driven vessels are crossing and it is apparent to the stand-on vessel that the give-way vessel is not taking appropriate action
When two power-driven vessels are meeting head-on
All of the above

10. INLAND ONLY While underway and in sight of another vessel a mile ahead you put your engines on astern propulsion. Which statement concerning whistle signals is TRUE?

You must sound three short blasts on the whistle.
You must sound one blast if backing to starboard.
You must sound whistle signals only if the vessels are meeting.
You need not sound any whistle signals.