COLREGS General
Test results
Your result: 17%
Right answers:
1
You are underway in an area of reduced visibility and hear a sound signal. It is likely coming from the starboard bow; however you cannot locate the other vessel either visually or with the radar. Which of the following actions should you take?
Correct answer:
As the sound signal appeared to come from forward of your vessel’s beam, you should reduce speed to the minimum and navigate with extreme caution.Your Answer:
As the sound signal appeared to come from forward of your vessel’s beam, you should alter your course to port side and observe the situation.2
You have visually detected a vessel displaying the lights below. What is the status of this vessel?
Correct answer:
Not under command.; Making way through the water.Your Answer:
Not under command.3
Take a look at the scenario being shown on screen now. Which of the vessels should take action to avoid a collision and what should that action be?
Correct answer:
The vessel(s) should alter their course to starboard side until a safe passing distance is predicted.; Both vessels should take action.Your Answer:
Only vessel B should take action.4
You have visually detected a vessel displaying the day shapes below. What is this status of this vessel?
Correct answer:
Vessel towing another vessel, length of the tow is over 200 m.Your Answer:
Vessel towing another vessel, length of the tow is less than 200 m.5
You have visually detected a vessel displaying the lights below. What is the size and status of this vessel?
Your answer is correct:
Vessel under 50 m in length towing, total length of the tow is under 200 m.6
The International Maritime Organization implemented traffic separation schemes (TSS) to ensure safe navigation in such areas. Which of the following statements are true when navigating near a TSS?
Correct answer:
When entering or leaving a lane, vessels should keep a small angle to the direction of traffic.; Whenever possible, ships should join or leave the TSS at the beginning or end of the lane with particular caution.; Any vessel that is not using or crossing the scheme should keep a wide distance to it.Your Answer:
Any vessel that is not using or crossing the scheme should keep a wide distance to it.7
Please complete the following sentences: “Generally, the COLREGS apply to ____ upon the high seas and in ____. In territorial waters, ____ national regulations may apply.”
Correct answer:
… all vessels … all connected waters … additional.Your Answer:
… all vessels … international waters only … additional.8
The COLREGS require actions taken to avoid collision to be clearly visible to other vessels. What does this mean for collision avoidance manoeuvres?
Your answer is correct:
One large manoeuvre should be carried out so that the affect is clearly visible to the other vessel.9
Which of the following statements regarding the “stand-on” vessel is true?
Correct answer:
If early actions have failed and the vessels are close to each other, the stand-on vessel is urged to carry out whatever manoeuvre is necessary to avoid a collision.; It may be necessary for the stand-on vessel to alter their course or speed if it becomes clear that the give-way vessel is not taking appropriate action to avoid a collision.; IF a stand-on vessel needs to act during a crossing situation, it should avoid course alterations to the port side so as not to counter any action that the give-way vessel might still take.Your Answer:
Rule 17 requires stand-on vessels to maintain their course and speed under any circumstance.10
While navigating in restricted visibility, you hear one long blast, given as a sound signal from another vessel. What does this indicate?
Correct answer:
The vessel is power-driven and making way through the water.Your Answer:
The vessel will alter its course to starboard.11
While navigating in good visibility, you hear one long blast given as a sound signal from another vessel. What does this indicate?
Correct answer:
The vessel is approaching a bend or obscured area.Your Answer:
The vessel will alter its course to starboard.12
You have visually detected a vessel displaying the lights shown below. What type of vessel is it?
Correct answer:
Non-trawling fishing vessel.Your Answer:
Sailing vessel.13
You have visually detected a vessel displaying the lights shown below. What is the vessel’s type and status?
Correct answer:
A vessel engaged in mine clearance operations making way through the water.Your Answer:
A vessel under tow.14
You have visually detected a vessel displaying the day shapes below. What is this status of this vessel?
Correct answer:
Constrained by their draught.Your Answer:
Not under command.15
You are underway in an area of reduced visibility and hear a sound signal. It is likely coming from the starboard bow; however you cannot locate the other vessel either visually or with the radar. Which of the following actions should you take?
Correct answer:
As the sound signal appeared to come from forward of your vessel’s beam, you should reduce speed to the minimum and navigate with extreme caution.Your Answer:
You should immediately clarify the situation with a radio call, since you cannot detect the other vessel.16
Take a look at the scenario being shown on screen now. Which of the vessels should take action to avoid a collision and what should that action be?
Correct answer:
It is good practice for the vessel(s) to alter their course to starboard side.; Only vessel B should take action.; It is good practice for the vessel(s) to alter their course to starboard side.Your Answer:
It is good practice for the vessel(s) to alter their course to port side.17
Specific rules apply to vessels inside narrow channels. All vessels travelling along a narrow channel should:
Your answer is correct:
Stay as much to their starboard side as safely possible.18
Specific rules apply to vessels inside narrow channels. Ships that approach bends of the channel, or visually obstructed areas, should:
Correct answer:
Sound one prolonged blast to alert others of their presence.Your Answer:
Stay as much to their starboard side as safely possible.19
Specific rules apply to vessels inside narrow channels. Any approaching vessel that hears this signal should:
Correct answer:
Also sound one prolonged blast as an answer.Your Answer:
Sound one prolonged blast to alert others of their presence.20
Specific rules apply to vessels inside narrow channels. Any vessel inside a narrow channel should:
Your answer is correct:
Avoid anchoring.21
You have visually detected a vessel displaying the lights shown below. What type of vessel is it?
Correct answer:
Sailing vessel.Your Answer:
Pilot vessel.22
Besides actions to avoid collisions, the COLREGS may also require vessels to take action so as not to impede the safe passage of other ships, for example, when the other vessel is restricted by their draught. In these circumstances, which of the following statements are true?
Correct answer:
Actions to not impede the safe passage of other ships do not relieve the other vessel from their obligation to take action to avoid a collision.; Actions to not impede the safe passage of other ships should be taken early to allow sufficient sea-room for the other ship.Your Answer:
Actions to not impede the safe passage of other ships mean that the other vessel does not need to take action to avoid a collision.23
You have visually detected a vessel displaying the lights shown below. What is the vessel’s type and status?
Correct answer:
An obstruction exists on the vessel’s port side (if seen from ahead).; The vessel is engaged in underwater operations and restricted in its ability to manoeuvre.; The vessel is not making way through the water.Your Answer:
The vessel is towing.24