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COLREGs Rules of the Road Practice Test
Practice mode
Question
1
of 25
QUESTION 1 / 25
Which of the following is considered a distress signal?
Choose one answer below.
A
flag with a cross
✓
B
single whistle blast
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C
dye marker
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D
bright flashlight
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QUESTION 2 / 25
What is the primary consideration when maintaining a lookout?
Choose one answer below.
A
Only by visual observation
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B
Only by sound
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C
combination of sight, sound, and other means
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D
Only by radar
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QUESTION 3 / 25
Which light signals a vessel that is both anchored and greater than 50 meters?
Choose one answer below.
A
second all-around light
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B
blue light on the bow
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C
Only the initial all-around light
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D
Flashing red and white lights
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QUESTION 4 / 25
What is the characteristic of a towing light compared to a stern light?
Choose one answer below.
A
It has a longer arc of visibility
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B
It is a different color
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C
It has the same characteristics as the stern light
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D
It is always positioned in front of the vessel
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QUESTION 5 / 25
How is an anchored vessel indicated?
Choose one answer below.
A
white all-around light
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B
Two green lights on the mast
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C
red light on the stern
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D
Flashing blue lights
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QUESTION 6 / 25
What does a yellow light signify when attached to a vessel?
Choose one answer below.
A
Ahead light
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B
Sternlight
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C
Towing light
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D
Masthead light
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QUESTION 7 / 25
What is the essence of Rule 7 regarding collision avoidance?
Choose one answer below.
A
Action must be taken without regard to seamanship
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B
Action must be taken at the last moment
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C
Action to avoid collisions must be taken in ample time with regard to seamanship
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D
Action can be postponed if circumstances allow
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QUESTION 8 / 25
What type of light is required to be 360 degrees?
Choose one answer below.
A
Side light
✓
B
Stern light
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C
Masthead light
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D
All-around light
✓
QUESTION 9 / 25
What sound signal should an anchored vessel longer than 100 meters use to indicate its presence?
Choose one answer below.
A
Ring bell rapidly for 5 seconds every minute
✓
B
Three bell claps followed by a five-second whistle
✓
C
Using an SOS signal
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D
Signal with flames or gun fire
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QUESTION 10 / 25
How often should an anchored vessel's sound signal be repeated?
Choose one answer below.
A
Every one minute
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B
Every 30 seconds
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C
Every five minutes
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D
Continuously
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QUESTION 11 / 25
What is a common method for a vessel to attract attention in an emergency?
Choose one answer below.
A
Signaling with a flare
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B
Using a loudspeaker
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C
Any unmistakable sound signal
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D
Honking a horn
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QUESTION 12 / 25
Which concept is emphasized in the guidance of COLREGs?
Choose one answer below.
A
Mariners should avoid heavy traffic areas
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B
Prioritizing safe navigation to prevent collisions
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C
Vessels should always travel alone
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D
Only commercial vessels need comply with navigation laws
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QUESTION 13 / 25
What do COLREGS primarily govern?
Choose one answer below.
A
The rights of fishermen on water
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B
International rules applicable to all oceans and connected bodies of water
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C
The design and construction of vessels
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D
The training requirements for boat captains
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QUESTION 14 / 25
Which statement is true regarding communication between vessels according to the COLREGs?
Choose one answer below.
A
Only power-driven vessels can communicate
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B
All vessels must use sound signals to prevent collisions
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C
Communication is optional in open waters
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D
Only sailing vessels are required to signal
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QUESTION 15 / 25
What does COLREGs stand for?
Choose one answer below.
A
Coastal Ocean Regulations for Green Energy Solutions
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B
International Regulations for Preventing Collisions at Sea
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C
Common Ocean Law and Regulatory Guidelines
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D
Convention on International Maritime Operations
✓
QUESTION 16 / 25
When is a vessel permitted to cross a narrow channel?
Choose one answer below.
A
When it is convenient for the vessel
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B
When there is no other traffic
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C
When crossing does not impede a passing vessel
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D
At any time during low visibility
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QUESTION 17 / 25
Do the visibility rules apply in all conditions of visibility?
Choose one answer below.
A
Only in fog
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B
Only in clear weather
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C
No, only at night
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D
Yes, they apply in any condition of visibility
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QUESTION 18 / 25
Before a risk of collision exists, which vessel can maneuver?
Choose one answer below.
A
Only the overtaking vessel
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B
Only the stand-on vessel
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C
Either vessel can maneuver at will
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D
Neither vessel can maneuver
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QUESTION 19 / 25
What is the correct way to enter a TSS?
Choose one answer below.
A
At a sharp angle to minimize crossing time
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B
As small an angle as possible
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C
Straight across from the nearest shore
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D
In any direction that seems safe
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QUESTION 20 / 25
What sound signal is used by a power vessel that is stopped?
Choose one answer below.
A
One prolonged blast
✓
B
Three bell claps followed by a whistle
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C
Five short blasts
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D
No sound signal is necessary
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QUESTION 21 / 25
What should vessels do when approaching a bend in a narrow channel?
Choose one answer below.
A
Use visual signals to indicate their position
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B
Follow the sound signals laid out in Rule 34
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C
Reduce speed and proceed at a safe distance
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D
Maintain the same course and speed
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QUESTION 22 / 25
What does the term "stand-on vessel" refer to?
Choose one answer below.
A
The vessel that must give way in all situations
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B
The vessel that is required to maintain its course and speed
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C
The vessel that is overtaking another
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D
The vessel that is moored or anchored
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QUESTION 23 / 25
What characterizes a sailing vessel?
Choose one answer below.
A
vessel using engine power
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B
sailboat under sail without engine propulsion
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C
vessel limited to recreational use
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D
Any vessel that is under construction
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QUESTION 24 / 25
How many degrees can a stern light be seen from?
Choose one answer below.
A
180 degrees
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B
135 degrees
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C
112.5 degrees
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D
360 degrees
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QUESTION 25 / 25
What is the duration of a prolonged blast?
Choose one answer below.
A
4-6 seconds
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B
1-2 seconds
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C
3 seconds
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D
7-10 seconds
✓
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