Тест по COLREG (CES v5.0)

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Правильні відповіді:

You are Officer of the Watch on a vessel when you observe another vessel under full sail showing a black cone apex downwards and on a constant bearing of about 50° on your port bow. What would be the correct initial action to be taken by your vessel?

Ваша відповідь правильна:

Maintain your course and speed.

As Officer of the Watch you sight another power driven vessel on the starboard side approaching your vessel on a collision course. Which of the following answers is the correct initial action to be taken under the Rules?

Правильну відповідь:

Take early and substantial action to keep well clear.

Ваша відповідь:

Maintain your course and speed.

Two ships are seen close to each other and both are showing a black diamond in the fore part of the vessel. What does this day time signal indicate?

Ваша відповідь правильна:

One ship is towing the other and the length of the tow is more, than 200 metres.

A vessel is seen showing a white light in the fore part of the vessel. What does this night time signal indicate?

Ваша відповідь правильна:

It is a ship at anchor, under 50 metres in length.

What is the fog signal for a power driven vessel engaged in pushing another vessel ahead, but not as a composite unit?

Ваша відповідь правильна:

One long blast followed by two short blasts every two minutes.

What is the fog signal for a 150 metre-long power driven vessel when at anchor in reduced visibility?

Ваша відповідь правильна:

Sound the bell for about 5 seconds and in the after end of the vessel immediately after the bell, a gong for about 5 seconds every minute.

As Officer of the Watch of a power driven vessel, what should you take into consideration when entering a narrow channel?

Ваша відповідь правильна:

Proceed at a safe speed, keeping to the starboard side of the fairway.

You are Officer of the Watch of a power driven vessel when your vessel encounters fog during your watch, what are the important initial actions, that should be taken under these Rules?

Ваша відповідь правильна:

All of the suggested answers.

Which fog signal should a power driven pilot vessel under way and making way through the water on pilotage duty, sound in reduced visibility?

Ваша відповідь правильна:

If the other vessel is a large one and close.

A power driven vessel is sighted coming towards own ship from 45° on the port side and the bearing is not changing and it is getting closer and appears to be taking no action. You have sounded five or more short and rapid blasts and it still appears to be taking no action. As “stand-on” vessel can you take action under the rules at this time?

Ваша відповідь правильна:

Your vessel may take action to avoid collision by her manoeuvre alone, as soon as it becomes apparent to you, that the vessel required to keep out of the way is not taking appropriate action.

A vessel is seen showing three lights in a vertical line; the top and bottom ones are red and the middle one is white in the fore part of the vessel. What does this night time signal indicate?

Ваша відповідь правильна:

It is a vessel restricted in her ability to manoeuvre, underway but not making way.

You are Officer of the Watch of a power driven vessel proceeding in a narrow channel, and hear two long blasts, followed by one short blast coming from astern of your vessel. What should you give in response to this signal?

Ваша відповідь правильна:

If in agreement to being overtaken – one long one short one long and one short blast, and take the appropriate action to allow passing.

You are Officer of the Watch proceeding on your voyage in bad visibility; you have plotted a target on the radar screen and see, that it is a ship on a collision course. What are the recommended actions to be taken in this situation?

Ваша відповідь правильна:

All of the suggested answers.

A vessel is seen showing two red lights on one side; two green lights on the other side of the vessel and also three lights in a vertical line, the upper and lower red and the middle one white. Which is the correct side to pass this vessel?

Ваша відповідь правильна:

The side, which displays the two green lights is the side it is safe to pass.

The Rules clearly define the term “underway” and some, or all, of the following vessels comply with that definition. Which if any would not be considered as “underway”?

Ваша відповідь правильна:

Vessel lying at anchor.

Could any of the following vessels be considered as “constrained by her draught” when the vessel is navigating in a wide channel?

Ваша відповідь правильна:

A vessel with draught of 8 metres in the channel where depth of water is 12 metres.

What manoeuvring signal would a power-driven vessel give to another vessel when they are in sight of each other, when altering course to starboard?

Ваша відповідь правильна:

One short blast.

You are Officer of the Watch on a vessel when you observe another two vessels crossing from port and both of these vessels are showing a black diamond. What would be the correct initial action to be taken by your vessel under these Rules, if the bearing of the nearest vessel is only changing slowly?

Ваша відповідь правильна:

Maintain your course and speed, and continually monitor the situation.

A power driven vessel is sighted coming towards own ship from 45° on the port side at a distance of 5 nautical miles and the bearing is not changing. What is the initial action you should take?

Ваша відповідь правильна:

There is a risk of close quarter situation, but the other ship is the “give way” ship, so I should maintain my course and speed, but monitor the situation.

A vessel is seen showing two red lights in a vertical line and also a white light forward and another white light aft. What does this night time signal indicate?

Ваша відповідь правильна:

It is the signal for a ship that has run aground.

You are bridge Officer of the Watch in poor visibility, and plot another vessel on the radar, approaching your ship from the port side, so as to involve a close quarter situation. Which of the following is the most suitable action required under these Rules?

Ваша відповідь правильна:

Make an early and substantial alteration of course to starboard.

What manoeuvring signal would a power-driven vessel give to another vessel when they are in sight of each other, when going astern on the engines?

Ваша відповідь правильна:

Three short blasts on the whistle.

You are Officer of the Watch of a power driven vessel proceeding in a narrow channel, and hear two long blasts, followed by one short blast coming from astern of your vessel. What is the meaning of this signal?

Ваша відповідь правильна:

It is a ship, that is intending to pass you on your starboard side, where you need to take some action to allow this manoeuvre.

You are Officer of the Watch of a power driven vessel, proceeding in narrow channel, and hear two long blasts, following by one short blast coming from astern of your vessel. What should you give in response to this signal, if you feel doubtful of the safety of their intended manoeuvre?

Ваша відповідь правильна:

At least five short and rapid blasts.

A power driven vessel sees the two masthead lights in line and both side lights of another power driven vessel 15° on her starboard bow. Should the vessel assume this is a “head-on” situation and expect both vessels to alter to starboard?

Ваша відповідь правильна:

No, it is a crossing vessel and not a head-on situation.

What fog signal should be sounded by a power driven vessel underway and making way through the water, when in reduced visibility?

Ваша відповідь правильна:

One long blast on the whistle every two minutes.

Which fog signal should a vessel engaged in towing or pushing another vessel sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

You are Officer of the Watch on a power driven vessel in a Traffic Separation Scheme, and sight a fishing vessel engaged in fishing inside the Traffic Separation Scheme. Who has the responsibility to keep clear?

Ваша відповідь правильна:

A vessel engaged in fishing shall not impede the passage of any vessel following a traffic line.

If two power driven vessel are crossing in clear visibility so as to be involved in a possible collision, which vessel has to keep out of the way of the other?

Ваша відповідь правильна:

The vessel, which has the other on her own starboard side shall keep out of the way.

Which fog signal should a power driven pilot vessel under way and making way through the water on pilotage duty, sound in reduced visibility?

Ваша відповідь правильна:

One long blast on the whistle every two minutes and may sound an identy signal of four short blasts.

A vessel is seen showing two black balls on one side; two black diamonds on the other side of the vessel and also three shapes in a vertical line, the upper and lower black balls and the middle one a diamond. Which is the correct side to pass this vessel?

Ваша відповідь правильна:

The side, which displays the two diamond shapes is the side it is safe to pass.

What fog signal should be sounded by a power driven vessel underway, but stopped and making no way through the water, when in reduced visibility?

Ваша відповідь правильна:

Two long blasts on the whistle every two minutes.

What is the fog signal for a power driven vessel engaged in towing another vessel?

Ваша відповідь правильна:

One long blast followed by two short blasts every two minutes.

A vessel is seen showing a black ball in the fore part of the vessel. What does this day time signal indicate?

Ваша відповідь правильна:

It is a ship at anchor.

Which fog signal should a sailing vessel sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

Which vessels are allowed to use an inshore traffic lane of a Traffic Separation Scheme?

Ваша відповідь правильна:

All of the suggested options.

Which of the following vessels should keep out of the way of a large vessel, which is proceeding up a narrow channel?

Ваша відповідь правильна:

All of the specified vessels.

Under what circumstances should a vessel consider itself to be an overtaking vessel within the meaning of the Rules?

Ваша відповідь правильна:

A vessel is overtaking when coming up with another vessel from a direction more, than 22,5° abaft her beam or, if in any doubt she shall assume, that she is.

What is understood by the term “prolonged blast”?

Ваша відповідь правильна:

A blast of from four to six seconds in duration.

When can the compass bearing of another vessel be altering, but risk of collision still exists?

Ваша відповідь правильна:

If the other vessel is a large one and close.

Which fog signal should a power driven vessel constrained by her draught sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

A power driven vessel is sighted coming towards own ship from 45° on the port side at a distance of 2 nautical miles and the bearing is still not changing. What is the first action you should take?

Ваша відповідь правильна:

There is a close quarter situation developing and the other vessel is not keeping clear therefore I would sound at least 5 short and rapid blasts to indicate my concern and monitor the situation.

A vessel is proceeding along a narrow channel and hears the following signal: “two long blasts and two short blasts on a whistle” from astern. How should the vessel respond?

Правильну відповідь:

The response should be one long, one short, one long and one short blast on the whistle, if in agreement to be overtaken.

Ваша відповідь:

The response should be one long, one short, one long and one short blast on the whistle.

You are Officer of the Watch and see another vessel displaying two cones points together and a cone point up on one side, this vessel is sighted dead ahead and the bearing is not altering. What actions should be taken?

Ваша відповідь правильна:

Take early and substantial action to keep well clear of the other vessel.

Which of the following vessels is considered “restricted in her ability to manoeuvre”?

Ваша відповідь правильна:

A vessel engaged in fishing.

You are on a vessel approaching a Traffic Separation Scheme, and wish to enter a port within the inshore traffic zone on the side of the Scheme, which is used by vessels coming in the opposite direction. What is the correct approach to safely gain entry into the destination port in compliance with the Rules?

Ваша відповідь правильна:

Take the “inshore traffic zone” and keep out of the main lanes of the scheme.

Are there any particular rules for sailing vessels and vessels less, than 20 metres in length, when they are proceeding in a narrow channel?

Ваша відповідь правильна:

They should not impede the passage of a vessel, that can only safely navigate within a narrow channel of fairway.

A vessel is seen showing two black cones points together. What does this day time signal indicate?

Ваша відповідь правильна:

It is a vessel engaged in any type of fishing.

What is the daytime signal of a vessel aground?

Ваша відповідь правильна:

Three black balls in a vertical line, where they can best be seen.

A vessel is seen showing three black balls. What does this day time signal indicate?

Ваша відповідь правильна:

It is the signal for a ship, that has run aground.

A vessel is seen showing three green lights in a triangle at the head of the fore mast of the vessel, and another single white light forward. What does this night time signal indicate?

Ваша відповідь правильна:

A ship involved in mine clearance operation at anchor.

Which fog signal should a vessel restricted in her ability to manoeuvre sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

What is the clearance distance required by a ship when navigating in the vicinity of a vessel engaged in a mine clearance operation?

Ваша відповідь правильна:

1 000 metres.

What manoeuvring signal would a power-driven vessel give to another vessel when they are in sight of each other, when altering course to port?

Ваша відповідь правильна:

Two short blasts.

You are Officer of the Watch and observe another vessel approaching from the port side across your course line and showing a red light over a white light, and another white light on its starboard side, and also a green side light. What would be the correct action to be taken by your vessel, if a close quarter situation is developing?

Ваша відповідь правильна:

Take early and substantial action to keep well clear.

A vessel is seen showing two red lights on one side; two green lights on the other side of the vessel and also three lights in a vertical line, the upper and lower red and the middle one white. What does this night time signal indicate?

Ваша відповідь правильна:

It is a vessel engaged in dredging or underwater operations which is restricted in its ability to manoeuvre, showing the side where the obstruction exists and the side it is safe to pass – under way but not making way.

You are Officer of the Watch on a vessel when you observe another two vessels crossing from port, and both of these vessels are showing a black diamond and one is also showing three shapes, the highest and lowest are black balls, and the middle one a black diamond. What would be the most suitable initial action to be taken by your vessel under these Rules, if the bearing of the nearest vessel is only changing slowly?

Ваша відповідь правильна:

Slow down your vessel and allow the two vessels to pass ahead.

How should a vessel cross a Traffic Separation Scheme?

Ваша відповідь правильна:

Should cross with a heading as near to right angles to the general direction of traffic flow.

You are on a power driven vessel, approaching the vessel illustrated (showing two white lights), directly ahead on your course line. What is the correct action to be taken by your vessel?

Ваша відповідь правильна:

Taking into account any navigational hazards, take early and substantial action to keep well clear.

The two white mast head lights of a vessel are seen by another ship, what is the length of this vessel?

Ваша відповідь правильна:

Any length – the length is unknown.

You are on a power driven vessel approaching the vessel illustrated (showing one black ball), directly ahead on your course line. What is the correct action to be taken by your vessel?

Ваша відповідь правильна:

Taking into account any navigational hazards, take early and substantial action to keep well clear.

What is understood by the term “short blast”?

Ваша відповідь правильна:

A blast of about one second in duration.

A vessel is observed approaching from the port side showing two red lights and also a green side light. A series of bearings indicate, that a close quarter situation is likely to occur. As Officer of the Watch, indicate what action should be taken within the meaning of the Rules:

Ваша відповідь правильна:

Take early and substantial action to keep well clear.

As Officer of the Watch you sight another power driven vessel on the port side approaching your vessel on a collision course. Which of the following answers is the correct action under the Rules if the other vessel appears to be taking no action to avoid a close quarter situation?

Ваша відповідь правильна:

You give a signal to the approaching vessel consisting of, at least five short and rapid blasts combined with a light signal and keep monitoring the situation.

You are Officer of the Watch and you are approaching a bend in a narrow channel, where you cannot see round the bend. What action should you take?

Ваша відповідь правильна:

You should give one long blast on the whistle.

What is the night time signal, that may be displayed by a vessel to indicate she is constrained by her draught?

Ваша відповідь правильна:

Normal steaming lights of a power driven vessel of her size and in addition three all-round red lights in a vertical line where they can best be seen.

A vessel is seen showing a rigid replica of international code flag A. What does this day time signal indicate?

Ваша відповідь правильна:

The flag is a signal shown by certain vessels involved in a diving operation.

A vessel is seen showing three shapes in a vertical line; the top and bottom ones are black balls and the middle one is a black diamond in the fore part of the vessel. What does this day time signal indicate?

Ваша відповідь правильна:

It is a vessel restricted in her ability to manoeuvre.

What is the fog signal of a fishing vessel not engaged in fishing?

Ваша відповідь правильна:

The normal fog signal for a power driven vessel of her size.

Which of the following answers could be considered the correct immediate actions taken by bridge Officer of the Watch when the vessel enters an area of reduced visibility?

Ваша відповідь правильна:

Call the Master, sound the fog signal and put the engines on Standby.

Your vessel is approaching a bend in a narrow channel with an obstructed view ahead. How should you proceed?

Ваша відповідь правильна:

All of the suggested answers.

Which fog signal should a vessel not under command sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

A vessel is seen showing two black cones points together and another cone point upwards on one side of the vessel. What does this day time signal indicate?

Ваша відповідь правильна:

It is a vessel engaged in fishing (other than trawling) where outlying gear extends more than 150 metres horizontally from the vessel.

You are Officer of the Watch, and you are approaching a bend in a narrow channel, where you cannot see round the bend, and you sound one long blast on the whistle. What action would you expect an approaching vessel on the other side of the bend to answer to your signal?

Ваша відповідь правильна:

It should answer with one long blast on the whistle.

The visibility is about one mile and as Officer of the Watch you visually see a vessel dead ahead on a reciprocal course coming out of the fog towards you. What should be the action to take?

Ваша відповідь правильна:

Give one short blast and make a substantial alteration of course to starboard.

A bearing is taken of an approaching vessel and shortly afterwards another observation is made of the same vessel. The bearing is changing slowly, but under what circumstances (as defined in the Rules) could there still be a risk of a collision in this situation?

Ваша відповідь правильна:

All of the suggested answers.

Which of the following statements is correct within the Rules?

Ваша відповідь правильна:

You should join a traffic separation system at as small angle to the general direction of traffic flow as practicable.

A vessel is seen showing two black balls on one side; two black diamonds on “the other side of the vessel and also three shapes in a vertical line, the upper” and lower black balls and the middle one a diamond. What does this day time signal indicate?

Ваша відповідь правильна:

It is a vessel engaged in dredging or underwater operations, which is restricted its ability manoeuvre – showing the side, where the obstruction exists and the side it is safe to pass.

Which fog signal should a vessel engaged in fishing sound in reduced visibility?

Ваша відповідь правильна:

One long followed by two short blasts on the whistle every two minutes.

A vessel is observed approaching from the port side showing two black balls. A series of bearings indicate, that a close quarter situation is likely to occur. As Officer of the Watch, indicate what action should be taken within the meaning of the Rules:

Ваша відповідь правильна:

Take early and substantial action to keep well clear.

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