1. 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

2. INLAND ONLY A vessel leaving a dock or berth must sound a prolonged blast of the whistle only if __________.

other vessels can be seen approaching
she is a power-driven vessel
visibility is restricted
her engines are going astern

3. BOTH INTERNATIONAL & INLAND A vessel engaged in fishing while at anchor shall sound a fog signal of __________.

one prolonged and two short blasts at two-minute intervals
one prolonged and three short blasts at two-minute intervals
a rapid ringing of the bell for five seconds at one-minute intervals
a sounding of the bell and gong at one-minute intervals

4. INTERNATIONAL ONLY Which signal is required to be sounded by a power driven vessel ONLY?

A signal meaning, "I am altering my course to starboard."
A signal meaning, "I intend to overtake you on your starboard side."
A signal meaning that the vessel sounding it is in doubt as to the other vessel's actions.
A signal sounded when approaching a bend.

5. 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

6. BOTH INTERNATIONAL & INLAND A vessel towed astern shall show __________.

masthead lights
sidelights
a special flashing light
All of the above

7. INTERNATIONAL ONLY You are in sight of another vessel in a crossing situation, and the other vessel sounds one short blast. You are going to hold course and speed. You should __________.

answer with one short blast
answer with two short blasts
sound the danger signal
sound no whistle signal

8. BOTH INTERNATIONAL & INLAND Which statement about a 25-meter auxiliary sailboat is TRUE?

The sidelights and sternlight may be combined in one lantern.
When operating under sail, her fog signal would consist of one prolonged blast.
She may show a green light over a red light at the masthead.
She must show fixed sidelights.

9. INLAND ONLY A vessel engaged in public safety activities maydisplay an alternately flashing red and yellow light. Thisspecial light may be used by a vessel engaged in __________.

law enforcement
patrolling a regatta
hauling in pairs
river bank protection

10. INLAND ONLY Yellow lights are NOT used to identify __________.

a dredge pipeline on a trestle
the heads of tows being pushed ahead by tugboats
purse seiners
a seaplane on the water