NAVIGATION RULES Sound and Light Signals Inland COMO Lew Wargo CQEC (9ER) 01 APR 2015 NAV RULES SOUND & LIGHT SIGNALS

NAVIGATION RULES

Sound

and

Light Signals

InlandCOMO Lew WargoCQEC (9ER)01 APR 2015NAV RULES SOUND & LIGHT SIGNALS

REFERENCES

Navigation Rules

International - Inland

COMDTINST M16672.2(series)

SOUND & LIGHT SIGNALS

1. What size vessel must carry both a whistle and a bell?

A. Equal or more than 7 meters

B. Equal or more than 10 meters

C. Equal or more than 12 meters

D. Equal or more than 20 meters.


1. What size vessel must carry both a whistle and a bell?

A. Equal to or more than 7 meters.

B. Equal to or more than 10 meters.

C. Equal to or more than 12 meters.

D. Equal to or more than 20 meters.


2. When power driven vessels are in sight of one another and meeting or crossing they must signal if within what distance?

A. 100 yards

B. 200 yards

C. ½ mile

D. 1 mile


2. When power driven vessels are in sight of one another and meeting or crossing they must signal if within what distance?

A. 100 yards

B. 200 yards

C. ½ mile

D. 1 mile


3. Which of the following whistle signal is correct?

A. One short blast means I am altering course to port and will leave you on my starboard side.

B. Two short blasts means I am altering course to starboard and will leave you on my port side.

C. One short blast means I am altering course to starboard and will leave you on my port side.

D. Three short blasts is a danger signal.


3. Which of the following whistle signal is correct?

A. One short blast means I am altering course to port and will leave you on my starboard side.

B. Two short blasts means I am altering course to starboard and will leave you on my port side.

C. One short blast means I am altering course to starboard and will leave you on my port side.

D. Three short blasts is a danger signal.


4. Three short blasts on a whistle means:

A. I am at anchor

B. I am aground

C. Danger

D. My engines are in astern propulsion


4. Three short blasts on a whistle means:

A. I am at anchor

B. I am aground

C. Danger

D. My engines are in astern propulsion


5. The danger signal on a whistle is:

A. Three short blasts

B. Four short blasts

C. Five or more short blasts

D. None of the above


5. The danger signal on a whistle is:

A. Three short blasts

B. Four short blasts

C. Five or more short blasts



6. A light used to supplement whistle signals is:

A. An all-round white

B. An all-round yellow

C. A light with a range of 2 miles

D. May be either an all-round white or yellow light with a range of 2 miles.


6. A light used to supplement whistle signals is:

A. An all-round white

B. An all-round yellow

C. Light with a range of 2 miles

D. May be either an all-round white or yellow light with a range of 2 miles.


7. What signal does a vessel give when nearing a bend in a narrow channel?

A. One prolonged blast

B. Three short blasts

C. Four short blasts

D. Five short blasts


7. What signal does a vessel give when nearing a bend in a narrow channel?






8. A vessel leaving a dock or berth, shall give what signal on her whistle?


B. One short blast

C. four short blasts



8. A vessel leaving a dock or berth, shall give what signal on her whistle?


B. One short blast

C. four short blasts



9. If a vessel does not understand the signal from another vessel, she should answer with:

A. The same signal



D. Five or more short blasts


9. If a vessel does not understand the signal from another vessel, she should answer with:

A. The same signal



D. Five or more short blasts


10. A power driven vessel making way in restricted visibility sounds:

A. One prolonged blast at least once every 2 minutes

B. Three short blasts at least once every 2 minutes

C. The danger signal at least once every two minutes

D. One prolonged blast at least once every minute


10. A power driven vessel making way in restricted visibility sounds:

A. One prolonged blast at least once every 2 minutes

B. Three short blasts at least once every 2 minutes

C. The danger signal at least once every two minutes

D. One prolonged blast at least once every minute


11. If in restricted visibility you hear 1 prolonged and 2 short blasts followed by 1 prolonged and 3 short blasts you are hearing the signal of:

A. A sailboat under way, making way

B. A vessel restricted in its maneuverability

C. A vessel towing and the tow

D. A vessel not under command


11. If in restricted visibility you hear 1 prolonged and 2 short blasts followed by 1 prolonged and 3 short blasts you are hearing the signal of:

A. A sailboat under way, making way

B. A vessel restricted in its maneuverability

C. A vessel towing and the tow

D. A vessel not under command


12.One prolonged and two short is a whistle signal used at least once every 2 minutes by:

A. A vessel towing

B. A sailboat operating under sail power

C. A vessel restricted in ability to maneuver or not under command

D. All of the above


12.One prolonged and two short is a whistle signal used at least once every 2 minutes by:

A. A vessel towing

B. A sailboat operating under sail power

C. A vessel restricted in ability to maneuver or not under command

D. All of the above


13.A vessel over 12 meters in length, at anchor must sound what sound signal at least every minute:

A. A rapid ringing of a bell for 5 seconds

B. A sounding of a gong for 5 seconds

C. A rapid ringing of a bell and five short whistle blasts



13.A vessel over12 meters in length, at anchor must sound what sound signal at least every minute:

A. A rapid ringing of a bell for 5 seconds

B. A sounding of a gong for 5 seconds

C. A rapid ringing of a bell and five short whistle blasts



14.What whistle signal may be used to augment the anchor signal:

A. five short

B. Four short

C. A short, a prolonged and a short

D. One prolonged and two short


14.What whistle signal may be used to augment the anchor signal:

A. five short

B. Four short

C. A short, a prolonged and a short

D. One prolonged and two short


15.A vessel engaged in pilotage duty in restricted visibility sounds:

A. Three short

B. Four short

C. One prolonged and three short

D. Five short


15.A vessel engaged in pilotage duty in restricted visibility sounds:

A. Three short

B. Four short

C. One prolonged and three short

D. Five short


• 16. A high intensity white light flashing at a regular interval 50 to 70 times per minute indicates:

A. A tow by an vessel not equipped to tow.

B. A distress signal on International waters only.

C. A distress signal on the Inland Waters only.

D. A distress signal on International and Inland Waters.


16. A high intensity white light flashing at a regular interval 50 to 70 times per minute indicates:

A. A tow by an vessel not equipped to tow.

B. A distress signal on International waters only.

C. A distress signal on the Inland Waters only.

D. A distress signal on International and Inland Waters.


17. What sound signal must a vessel under 12 meters make if anchored in restricted visibility?

A. The rapid ringing of a bell for 5” at least once every minute.

B. Any sound signal that can not be confuse with another sound signal.

C. The rapid ringing of a bell at least once every 2 minutes.

D. Five or more short blasts at least once every minute.


17. What sound signal must a vessel under 12 meters make if anchored in restricted visibility?

A. The rapid ringing of a bell for 5” at least once every minute.

B. Any sound signal that can not be confused with another sound signal.

C. The rapid ringing of a bell at least once every 2 minutes.

D. Five or more short blasts at least once every minute.


18.If in restricted visibility you hear a whistle signal consisting of 1 short, 1 prolonged and 1 short blast, you are hearing:

A. A vessel drifting.

B. A vessel making way under power.

C. A vessel in distress.

D. A vessel at anchor.


18.If in restricted visibility you hear a whistle signal consisting of 1 short, 1 prolonged and 1 short blast, you are hearing:

A. A vessel drifting.

B. A vessel making way under power.

C. A vessel in distress.

D. A vessel at anchor.


19.If in restricted visibility, you hear a rapid ringing of a bell followed by three distinct strokes of the bell, you are hearing:A. A vessel over 100 meters at anchor.

B. A vessel over 12 meters at anchor.

C. A vessel aground.

D. None of the above.


19.If in restricted visibility, you hear a rapid ringing of a bell followed by three distinct strokes of the bell, you are hearing:A. A vessel over 100 meters at anchor.

B. A vessel over 12 meters at anchor.

C. A vessel aground.

D. None of the above.


20. Which of the following frequency ranges is correct for a vessel’s signal whistle:

A. 250-525HZ for vessels less than 75 meters.

B. 70- 250 Hz for vessels over 75 meters.

C. None of the above.

D. All of the above.


20.Which of the following frequency ranges is correct for a vessel’s signal whistle:

A. 250-525 Hz for vessels less than 75 meters.

B. 70- 250 Hz for vessels over 75 meters.

C. None of the above.

D. All of the above.

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NAVIGATION RULES Sound and Light Signals Inland COMO Lew Wargo CQEC (9ER) 01 APR 2015 NAV RULES SOUND & LIGHT SIGNALS