Sound Signals

Question 1

BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?

Answer 1

A sailing vessel, at anchor

Question 2

BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning fog signals?

Answer 2

A vessel aground may sound a whistle signal.

Question 3

BOTH INTERNATIONAL & INLAND Which vessel sounds the same fog signal when underway or at anchor?

Answer 3

A vessel restricted in her ability to maneuver

Question 4

BOTH INTERNATIONAL & INLAND Which statement is TRUE regarding equipment for sound signals?

Answer 4

Manual sounding of the bell and gong must always be possible.

Question 5

BOTH INTERNATIONAL & INLAND Which equipment, to generate fog signals, is required on a vessel 20 meters in length?

Answer 5

Whistle and bell only

Question 6

(Modified-RR) BOTH INTERNATIONAL & INLAND You are approaching a bend in a river where, due to the bank, you cannot see around the other side. A vessel on the other side of the bend sounds one prolonged blast. In response, which signal are you required to sound?

Answer 6

Sound a prolonged blast

Question 7

BOTH INTERNATIONAL & INLAND Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds?

Answer 7

A sailing vessel, at anchor

Question 8

BOTH INTERNATIONAL & INLAND When should the fog signal of a manned vessel under tow be sounded?

Answer 8

After the towing vessel’s fog signal

Question 9

BOTH INTERNATIONAL & INLAND You are making headway in fog and hear a fog signal of two prolonged blasts on your starboard quarter. Which action should you take?

Answer 9

Hold your course and speed

Question 10

BOTH INTERNATIONAL & INLAND You are operating in restricted visibility and hear a signal of a rapidly ringing bell followed by the rapid sounding of a gong. Which vessel is required to sound this signal?

Answer 10

300-meter power-driven vessel at anchor

Question 11

BOTH INTERNATIONAL & INLAND You are underway in low visibility and sounding fog signals. What changes would you make in the fog signal immediately upon losing propulsion?

Answer 11

Begin sounding one prolonged blast followed by two short blasts at two minute intervals.

Question 12

BOTH INTERNATIONAL & INLAND A vessel anchored in fog may warn an approaching vessel by sounding which signal?

Answer 12

One short, one prolonged, and one short blast of the whistle

Question 13

BOTH INTERNATIONAL & INLAND Your vessel is aground in fog. In addition to the regular anchor signals, which signal is required to identify your condition?

Answer 13

Three strokes of the bell before and after the rapid ringing of the bell

Question 14

(Modified-RR) BOTH INTERNATIONAL & INLAND A pilot vessel may continue to sound an identity signal under which situation?

Answer 14

At anchor

Question 15

BOTH INTERNATIONAL & INLAND Which signal, other than a distress signal, can be used by a vessel to attract attention?

Answer 15

Searchlight beam

Question 16

(Modified-RR) BOTH INTERNATIONAL & INLAND In a crossing situation, which vessel may sound a signal to indicate failure to understand the intentions or actions of another vessel consisting of at least five short and rapid blasts of the whistle?

Answer 16

Either vessel

Question 17

BOTH INTERNATIONAL & INLAND A vessel 25 (20-99) meters in length must have which sound signaling appliance onboard?

Answer 17

Whistle and bell only

Question 18

BOTH INTERNATIONAL & INLAND A vessel 100 meters or more in length must have which sound signaling appliance onboard?

Answer 18

Whistle, bell, and gong

Question 19

BOTH INTERNATIONAL & INLAND You are approaching a bend in a channel. You cannot see around the bend because of the height of the bank. Which action are you required to take in accordance with the Rules?

Answer 19

Sound a whistle blast of 4 to 6 seconds duration (1 prolonged blast)

Question 20

BOTH INTERNATIONAL & INLAND You are approaching a bend, and hear a whistle signal of one prolonged blast from around the bend. Which signal should you sound?

Answer 20

A prolonged blast

Question 21

BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning the light used with whistle signals?

Answer 21

It is only used to supplement short blasts of the whistle.

Question 22

BOTH INTERNATIONAL & INLAND If practical, when shall a manned vessel being towed sound her fog signal?

Answer 22

Immediately after the towing vessel sounds hers

Question 23

BOTH INTERNATIONAL & INLAND You are in charge of a power-driven vessel making way in dense fog. You observe what appears to be another vessel on radar half a mile distant on your port bow and closing. You must take which action?

Answer 23

Sound one prolonged blast

Question 24

BOTH INTERNATIONAL & INLAND 3 distinct bell strokes + 5sec of rapid bell + 3 bell strokes. What does this signal indicate?

Answer 24

A vessel aground (3+5+3 of bell)

Question 25

BOTH INTERNATIONAL & INLAND While underway in fog, you hear the rapid ringing of a bell for about five seconds followed by the sounding of a gong for about five seconds. This signal came from which vessel?

Answer 25

A vessel 150 meters in length at anchor

Question 26

BOTH INTERNATIONAL & INLAND A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not

Answer 26

More than one minute

Question 27

BOTH INTERNATIONAL & INLAND A fog signal of one prolonged blast followed by four short blasts would mean the presence of which vessel?

Answer 27

A pilot vessel engaged on pilotage duty

Question 28

BOTH INTERNATIONAL & INLAND When may a pilot vessel continue to sound an identity signal in fog?

Answer 28

When at anchor

Question 29

BOTH INTERNATIONAL & INLAND What is the minimum sound signaling equipment required aboard a vessel 10 meters in length?

Answer 29

Any means of making an efficient sound signal

Question 30

BOTH INTERNATIONAL & INLAND You are approaching another vessel on crossing courses. She is approximately half a mile distant and is presently on your starboard bow. You believe she will cross ahead of you. She then sounds a whistle signal of five short blasts. Which action should you take?

Answer 30

Make a large course change, accompanied by the appropriate whistle signal, and slow down if necessary