1. BOTH INTERNATIONAL & INLAND A vessel aground would show the same dayshape as a __________.

vessel towing a submerged object
dredge underway and dredging
hydrographic survey vessel at anchor and surveying
None of the above

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

A vessel not under command
A vessel constrained by her draft
A vessel underway in fog
A vessel towing unable to deviate from her course

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. INLAND ONLY A vessel overtaking another in a narrow channel, and wishing to pass on the other vessel's port side, would sound a whistle signal of __________.

one short blast
two short blasts
two prolonged blasts followed by one short blast
two prolonged blasts followed by two short blasts

5. BOTH INTERNATIONAL & INLAND What is the fog signal for a vessel 75 meters in length, restricted in her ability to maneuver, at anchor?

One prolonged blast followed by two short blasts at intervals of not more than two minutes
Five second ringing of a bell at intervals of not more than one minute
Four short blasts at intervals of not more than two minutes
Five second ringing of a bell and five second sounding of a gong at intervals of not more than one minute

6. INTERNATIONAL ONLY Under what circumstances would an overtaking vessel sound a whistle signal of two prolonged followed by one short blast?

When overtaking in restricted visibility
When overtaking in a narrow channel
When overtaking on open waters
When no other vessels are in the immediate area

7. BOTH INTERNATIONAL & INLAND Barges being towed at night must exhibit navigation lights __________.

at all times
only if manned
only if towed astern
Need not be lighted

8. BOTH INTERNATIONAL & INLAND A 200-meter vessel is aground in fog. Which signal is optional?

A bell signal
A whistle signal
A gong signal
All of the above are mandatory.

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 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