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Tests en ligne : Test for Officers onboard about Navigation, Operational Level (CES v6.0)

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Le test comprend 80 questions aléatoires.
Total de questions sur ce sujet : 209

Question 1 depuis 80

A ship is navigating in the Caribbean in August when it receives the warning of a Hurricane. To determine the centre of the storm the Master uses “Buys Ballot’s Law” and faces the wind. On what side of the Master would the low pressure area be located?

On the right side.

This is not a suitable method to use with a Hurricane.

On the left side.

Straight ahead.

What is correct UTC in this example? Approx. Pos: N49° 51′ W35° 23′, zone +2, Local Time 0900.

07 00.

11 00.

23 00.

19 00.

Which method is used to make a physical connection between a rescue vessel and a wreck?

Sputnik line.

Rocket line.

Cosmos line.

Heaving line.

What is “AIR DRAUGHT”, in the figure?

Air draught is indicated by C, in the figure.

Air draught is indicated by B, in the figure.

Air draught is indicated by D, in the figure.

Air draught is indicated by A, in the figure.

What is important to check when transferring a position from the GPS output to a paper chart?

Any necessary corrections are applied to convert between the GPS datum and the chart datum.

Ensure that the chart has been corrected up to date.

Ensure that the GPS is setup on the same datum as the chart.

It is important to ensure that the GPS is setup on 2 dimensional and not 3 dimensional position fixes.

What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?

Five prolonged blasts (flashes).

Five short and rapid blasts (flashes).

One prolonged blast (flash), followed by five or more short and rapid blasts (flashes).

Three short and rapid blasts (flashes).

If a mooring winch brake tension is set to 60 tons, the setting has a safely allowance, what would be the maximum breaking load (MBL) of a wire used on the winch?

40 tons.

80 tons.

61 tons.

100 tons.

Visual signals are used by aircraft in search and rescue operations to direct ships towards a casualty. The signals shown here are part of a sequence. What does it indicate?

The assistance of your vessel is no longer required.

The casualty is sighted and will require medical assistance.

The aircraft is short on fuel and is returning to base.

The aircraft is directing a vessel towards the casualty.

Why should a Ground Stabilised True Motion radar display not be used for anti-collision purposes?

Because this display is only ever used for navigation.

The true vector can never give an indication of collision risk with another ship.

The “aspect” of the target is confused, so the Regulations for Preventing Collisions cannot be accurately applied.

True motion does not provide the collision risk of targets as only true vectors are available.

What is understood by the term “Dew point” of the air?

The temperature of the water vapour in a cloud.

The temperature at which condensation in the air forms into water droplets.

All of the suggested answers.

The “Dew point” is the point at the centre of an Anticyclone.

What are the three possible types of messages seen when there is an ECDIS alert?

Either an Alarm, an Indication or a Caution.

Either an Alarm, a Warning or a Caution.

Either an Alarm, a Warning or an Information.

You are on a power-driven vessel underway in open water. This vessel is sighted directly ahead. The distance is closing slowly. What action will you take under the International Collision Regulations and why?

I will keep out of her way. I am the overtaking vessel and am obliged to keep clear under rule 13.

I will maintain my course and speed. The other vessel is being overtaken and is therefore obliged to keep out of the way by rule 13.

The vessel is on a steady bearing and the distance is closing. I will therefore take avoiding action, altering course to starboard and sounding one short blast under rules 14 and 16.

How will the ship behave if it experiences a complete loss of power (blackout) in the situation illustrated?

The vessel will gradually swing to port and the speed will slowly reduce.

The vessel will gradually swing to starboard and the speed will slowly reduce.

The vessel will continue on course and the speed will slowly reduce.

The wind will push the vessel sideways, but the heading will not change.

You are approaching the port entrance. What do these lights mean?

Vessels may proceed – one-way traffic.

Vessels may proceed – two-way traffic.

A vessel may proceed only when she has received specific orders to do so.

A vessel may proceed only when she has received specific orders to do so, except that vessels which can safely navigate outside the main channel need not comply with this message.

The gyro compass can suffer from a compass error and may need to be allowed for, when steering a course in a dangerous navigational area. What is the probable cause of the error?

An uncorrected course and speed error.

Variation.

Fluctuations in the electrical supply to the compass.

Compass Deviation.

What type of vessel is this and from what direction are you seeing it?

This is a vessel engaged in fishing other than trawling, making way through the water, with outlying gear extending more than 150 m in the direction of the all-round red light. I am seeing her from astern.

This is a vessel engaged in pilotage operations, deploying or recovering a pilot. I am looking at her port side.

This is a vessel engaged in fishing other than trawling, making way through the water, with outlying gear extending more than 150 m in the direction of the all-round white light. I am looking at her port side.

This is a vessel engaged in pilotage duties at anchor. I am looking at her port side.

What is the advantages of a GPS satellite system compared to other navigational aids?

The GPS system gives information about position, speed and time continuously world wide.

The GPS system gives information about weather and wave conditions in the area.

The GPS system has a built-in group of six radio-beacons called a Decca chain.

The GPS system is based on hyperbola navigation.

The ship is required to be stopped in the water as quickly as possible, but without major changes to the ship’s heading. What is the most effective method to achieve this?

Put the engine full astern and keep the rudder amidships.

The use of the rudder hard over both sides combined with reducing engine power, a method known as “high frequency rudder cycling”.

Make a complete turn while reducing the engine power.

Make a zig zag manoeuvre while reducing the engine power.

What are we seeing here?

A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern in lieu of sailing lights, seen head-on.

A sailing vessel, seen from astern, where the edges of her sidelights are both visible.

A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head-on.

A sailing vessel, at anchor.

What is the description for a sidelight, as shown in rule 21 of the International Regulations for Preventing Collisions at Sea?

A red, green or yellow lantern, showing an unbroken light over an arc of 112,5°.

A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 135°, from right ahead to 22,5° abaft the beam on the respective side.

A green light on the starboard side and red light on the port side, showing an unbroken light over an arc of 112,5°, from right ahead to 22,5° abaft the beam on the respective side.

A red light or a green light, with a minimum range, in a vessel of 50 metres or more, of 3 miles. In a vessel of 10 metres.

Which of the answers best summarises the information which should be provided for the bridge Officer of the Watch within an effective Voyage plan?

Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.

Expected prevailing wind and weather.

Contingency arrangements in case of problems.

All of the suggested answers.

You are on a tug and are towing an unmanned barge. You are restricted in your ability to manoeuvre. The total length of the tow is 219 metres. What daylight signals are required by the International Regulations for Preventing Collisions at Sea?

A diamond shape, where it can best be seen shall be displayed on the tug and the tow. Three shapes shall also be displayed in a vertical line, the upper and lower being balls and the middle one a diamond. Diamond shape.

A diamond shape, where it can best be seen, on the tug only. Three shapes shall also be displayed, being three balls in a vertical line.

Three shapes shall be displayed forward on the tug, in a vertical line, the upper and lower being balls and the middle one a diamond.

Three shapes shall be displayed on the tug, where they can best be seen, in a vertical line, the upper and lower being balls and the middle one a cylinder. The signal flag “T” shall also be flown on the tug. A diamond shall be displayed aft on the tow.

The IMO Standard Marine Communication Phrases are recommended to be used when the ship’s Officer is verbally talking to whom?

When talking between ship and shore personnel.

In circumstances described in all of the answers provided.

When giving orders on board with other seafarers.

When talking on the VHF between ships.

Two ships travelling in opposite directions are to pass each other in a narrow river, as illustrated. Explain what is likely to happen as they pass each other?

Due to interaction, the bows will repel each other, and then when alongside each other the two ships will be sucked together and finally the sterns will be repelled as they start to pass clear.

There will be very little effect between the two ships as they pass.

Due to interaction, the bows will attract each other as they approach, then they will repel each other alongside and as they pass clear, the sterns will be attracted.

As they approach, rudder should be applied quickly to avoid sheering into the path of each other. Then as they are alongside they will be attracted and finally repel each other as they pass clear.

If whistles are fitted on a vessel at a distance apart of more than 100 metres, will manoeuvring and warning signals, as defined by rule 34 of the International regulations for Preventing Collisions at Sea, be given on one or both whistles?

They shall be given on both whistles simultaneously.

Manoeuvring signals will be given only on the forward whistle; warning signals will be given on both whistles simultaneously.

They shall first be given on the forward whistle, followed by the after whistle, with a 5 second interval in between.

They shall be given on one whistle only.

Ships vary considerably in design and underwater shape, but does the ship’s trim ever have any influence on its steering abilities?

Yes, a ship often steers better if trimmed by the bow.

Yes, the ship often steers better if trimmed by the stern.

No, the ship will have the same steering ability and is unaffected by trim.

No, it is usually best to be on an even keel and have no trim at all.

Which of the answers best summarises the information which should be provided for the bridge Officer of the Watch within an effective Voyage plan?

All of the suggested answers.

Expected prevailing wind and weather.

Contingency arrangements in case of problems.

Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.

What is “AIR DRAUGHT”, in the figure?

Air draught is indicated by A, in the figure.

Air draught is indicated by D, in the figure.

Air draught is indicated by C, in the figure.

Air draught is indicated by B, in the figure.

Which of the following answers correctly specify the following most common rudders? a) UNBALANCED, b) BALANCED, c) SEMI-BALANCED and d) UNDERHUNG BALANCED. i. e. The number in the picture is related to the letter adjacent to the name of the rudder.

1 = d, 2 = a, 3 = b and 4 = c.

1 = b, 2 = c, 3 = d and 4 = a.

1 = a, 2 = b, 3 = c and 4 = d.

1 = c, 2 = d, 3 = a and 4 = b.

What is the correct understanding of the term “Isobar”?

An “Isobar” is a line joining places of equal temperature.

An “Isobar” is a line joining places of equal pressure.

An “Isobar” is the line showing the direction of the predicted path of a hurricane.

An “Isobar” is the line of the cold front in a frontal depression.

What are the two parts of the magnetic compass error?

Permanent and induced magnetism.

West and East errors.

Variation and Deviation.

The latitude and longitude.

What letter is represented by this flag and what is it’s meaning when displayed by a vessel in port?

P – All persons should report on board as the vessel is about to proceed to sea.

S – I am operating astern propulsion.

P – I require a pilot.

W – All persons should report onboard as the vessel is about to proceed to sea.

What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?

Draught of the ship.

Shallow water effects.

Allowance for the ships speed.

The distance between the pulse Transmitter and Receiver.

What action should the Officer of the Watch (OOW) take if he is forced to make a major deviation from the voyage plan?

There is no special action necessary.

Inform the Master.

Check that the deviation will not lead into danger.

Make an appropriate entry in the Log Book.

What are the main advantages to the Navstar, Glonas and Galileo satellite navigation systems?

These satellite systems give world-wide coverage 24 hours a day.

Satellite navigation systems also give information about weather and wave conditions.

If a vessel uses any one of them, there is no need to practice other forms of navigation.

They are all made specifically for ships and marine operations.

With a pilot ladder, the lowest spreader shall be the 5th step from the bottom. At what interval should there be further spreaders upwards on the ladder?

It does not matter where the spreaders are fitted.

At intervals not exceeding 12 steps.

At intervals not exceeding 15 steps.

At intervals not exceeding 9 steps.

In the Beaufort Scale of Wind Force, what is the Beaufort number associated with the wind force known as a “Gale”? This should not be confused with a “Near Gale” or “Strong Gale”?

Ten (10).

Seven (7).

Eight (8).

Nine (9).

What do the shapes that this vessel is displaying tell us about her?

That she is not under command.

That she is engaged in towing.

That she is restricted in her ability to manoeuvre.

That she is constrained by her draught.

The ship is to berth alongside a quay in calm conditions of no wind or current. The ship has a single fixed pitch right handed propeller. Which angle of approach would be considered the most favourable?

The decision should be left to the pilot who is in charge of the manoeuvre.

No. 3.

No. 2.

No. 1.

You are approaching a port in a snowstorm. You hear this signal. What kind of vessel is it and what is it doing?

It comes from a vessel at anchor, less than 100 metres in length.

It comes from a vessel engaged in pilotage duties and it is making way through the water.

It comes from a vessel engaged in pilotage duties at anchor, over 100 metres in length.

It comes from a vessel restricted in her ability to manoeuvre.

What is the situation of this vessel?

This vessel is not under command, but is making way through the water.

This vessel is not under command and stopped in the water.

This vessel is aground.

This is a vessel constrained by her draft.

Which of the following hull shapes would normally provide a directionally stable ship?

A long ship with a narrow beam.

A short ship with a wide beam.

A short ship with a narrow beam.

A long ship with a wide beam.

What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?

Strong winds and heavy rain.

Light winds and fair weather, sometimes fog.

Persistent rain and very humid weather.

Strong winds but with very little rain.

Where can the size of the Magnetic Compass Error be found?

By taking the error from the Deviation Table on the bridge.

By taking a transit bearing of two fixed geographical positions and comparing it with the bearing of the same points on the chart.

On the chart in the centre of the compass rose or by reference to the Variation chart, taking into account the annual changes.

By reference to the last entry in the Compass Error Log Book.

You are proceeding along a coastal route when you hear this signal. The visibility is severely restricted. What does the signal mean?

There is a vessel at anchor in the vicinity. She is more than 100 metres in length. She is sounding an additional warning signal to approaching vessels, directing them to “keep clear”.

There is a vessel aground in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels to “navigate with extreme caution”.

There is a vessel at anchor in the vicinity. She is less than 100 metres in length. She is sounding an additional warning to approaching vessels that they are “running into danger”.

There is a vessel aground in the vicinity. She is more than 100 metres in length. She is sounding an additional warning to approaching vessels that they are “running into danger”.

The tug has been released and is all clear. As officer in charge of that operation, should this be reported and to whom?

Reported all clear to the Bridge.

Report all clear to the tug.

No need for reporting as the order was given from the bridge.

Report all clear to the Engine Room.

Which statement best describes how land moves, if at all, on an ECDIS set in North-up, relative motion mode?

This is a feature only seen on radar displays.

The land is always in the middle of the screen.

Land on the chart screen moves relative to the ship symbol.

Land is stopped with the vessel symbol moving across the sea floor.

Where can a ship expect an act of piracy to take place?

All over the world.

At the south end of the Red Sea.

In Far East waters.

In American waters.

When fastening synthetic fibre ropes such as polypropylene on bitts, for safety and better rope control it is recommended to:

Make it fast with round turns on the leading bitt alone, fig. 1.

Make it fast in a figure of eight fashion, fig. 3.

Make two round turns fast on the leading bitt and then figure of eight on both bitts, fig. 4.

Make it fast on the second bitt alone, fig. 2.

What is the colour and characteristic of a “towing light”, as defined in the International Regulations for Preventing Collisions at Sea?

Yellow, fixed, seen over an arc of 135° and so arranged as to display 67,5° from right aft on each side of the vessel.

Amber, all-round, flashing, where it can best be seen.

One of two all-round amber, alternate flashing lights, displayed where they can best be seen.

White, fixed, displayed as an additional light on the foremast over an arc of 225°, from right ahead to 22,5° abaft the beam on each side of the vessel.

When making a new pilot ladder onboard the ship, which of the following ropes would be best suited as the side ropes on which the steps are fastened?

Nylon rope.

Polyester rope.

Polypropylene rope.

Uncovered manila rope.

You are proceeding along a narrow channel and approaching a bend, on the inside shore of which is a large hill, which obsures your view further up channel. What sound signal will you make to indicate your presence to any vessel that is behind the obstructing hill?

Two short blasts.

One prolonged blast.

Two prolonged blasts.

One short blast.

What is the probable cause of an error in position of the ship obtained from the GPS system?

A three dimensional instead of a two dimensional position output.

Incorrect height of the antenna.

All of the suggested answers.

Abnormal sun spot activity causing unusual radiation effects.

If a DSC distress alert is received on board your ship, what is the first action that should be taken?

Immediately answer the distress message on the correct radio frequency.

Contact SAR Authorities via nearest coast Radio station.

Listen for a distress message on the appropriate radio frequency for five minutes.

Determine how close your vessel is to the distressed vessel.

The ship is navigating in dense fog where the visibility is less than one mile. The Arpa radar is set on a range 12 miles on a course of 314° and own ship has a vector as shown. What is the vector mode selected on the Arpa?

True vectors.

Relative vectors, ground stabilised.

Relative vectors.

Relative vectors, sea stabilised.

What are the additional duties required by the Officer of the Watch when navigating in fog?

Sound fog signal, effective radar watch reporting ship movements to Master and keep a good lookout for ships and fog signals.

All of the suggested answers.

Sound fog signal, plot positions and keep a good lookout.

When navigating in fog the Master will take over the watch and the Officer of the Watch should follow all of his instructions.

The ship has a right-handed propeller and is swinging to starboard when the engines are slow ahead and the rudder is to starboard. The engines are stopped and the rate of swing rapidly slows down. How could the swing to starboard be maintained without the ship making much headway.

Transverse Thrust will reduce the swing and therefore a kick ahead is necessary with full starboard helm applied.

The only effective method is by using the bow thruster to push the bow to starboard.

Astern on the engines will allow Transverse Thrust to continue the swing.

By applying the rudder hard over to starboard and going ahead on the engines.

The ship is sailing in shallow water with reduced Under Keel Clearance. If the ship is steaming with the engines at full RPM, what would be the speed in comparison to the speed achieved in deep water?

The same as deep water.

Slower than deep water.

Faster than deep water.

It would be very difficult to maintain full deep sea RPM on the engines and therefore difficult to assess the speed.

When using the echo sounder in a river the soundings indicated may be incorrect, what would be the most probable cause of the error?

There should be no error with a properly working echo sounder.

Shallow water effects.

The strength of the tide and current in the river.

The density of the water.

What is the correct understanding of the term “Block Coefficient” as applied to a ship?

The restriction of a valve in a pipe to the flow of fluid through that pipe.

The coefficient of a Block and Tackle.

The comparison of the underwater shape of the ship, to a rectangular block of the same extreme dimensions.

The ratio of the water plane shape of the ship to a rectangle of the same extreme dimensions.

You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It’s bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?

Risk of collision is deemed to exist and I will make a broad alteration of course to starboard, sounding one short blast. I will re-assess the situation when the alteration is carried out.

Risk of collision is deemed not to exist. However, to be sure of a safe passing distance, I will reduce my speed to allow the other vessel to pass ahead.

Risk of collision is a possibility. I will maintain my course and speed for now, but be prepared for an alteration of course to port if the CPA seems to be less than 0,2 nm as we draw closer.

Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.

What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”?

AS.

TT.

CQ.

CA.

When the temperature of the air increases with height it is known as a “Temperature Inversion” and may influence the performance of some instruments on the ship. What should the bridge Officer of the Watch be prepared to happen?

The radar will be show abnormal sea clutter as the pulse is trapped by the inversion.

The GPS may give errors of position because of interference of incoming signals from the satellites.

Abnormal ranges of VHF RT and Second Trace Returns on the radar.

The bearings obtained from the Directional Finder (DF) will not be as accurate as normal.

During an STS operation with one ship at anchor, should an anchor watch be maintained?

Anchor watch responsibility rests with the discharging vessel which would be the vessel which is anchored.

Both ships have normal anchor watch responsibility in addition to watching ship to ship fendering, mooring etc.

Anchor watches are not kept as the duty officers will be on deck conducting the cargo operations.

Anchor watch responsibility rests with the vessel which has its anchor down and the ship to ship connections is the responsibility of the other vessel.

Which approved publication should be used by a seafarer to help overcome any misunderstanding in communications?

Standard Marine Navigational Vocabulary.

The Oxford Concise Dictionary.

The (ISC) Bridge Procedures Guide.

The (IMO) Standard Marine Communication Phrases (SMCP) booklet.

What actions should be taken by the Officer of the Watch if the ship’s steering system totally fails?

Request the engine room to check the steering system.

All of the suggested answers.

Display the NUC signal and stop the engine(s).

Call the Master and advise them of the situation.

The position of the ship provided by the GPS should always be confirmed by other means, when possible. Which of the following suggested methods would be the most accurate?

The ranges of three distinctive shore objects on the radar.

Bearing and distance from a navigational Buoy.

Compass bearings of three shore objects.

Bearing using the Radio Direction Finding of three radio beacons.

What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?

Straight towards the centre of the anticyclone.

Directly away from the centre of the anticyclone towards the nearest Low pressure.

Anticlockwise around the high pressure.

Clockwise around the high pressure.

How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?

Select Relative motion display and make Own Ship vector pass through the middle of the entrance to the channel.

Acquire the buoy at the entrance to the channel and on relative vector display alter course to make the vector of the buoy pass directly through the centre of the screen.

Select True ground stabilised vectors and make the vectors from both buoys at the entrance to the channel pass either side of the centre of the screen.

Select ground stabilised true motion display and alter course so that own ships true vector passes through the middle of the entrance to the channel.

What sound signal shall be used on ship’s whistle when there is a man overboard?

4 long blasts repeatedly.

5 long blasts repeatedly.

3 long blasts repeatedly.

6 long blasts repeatedly.

Is the location of a vessel’s standard compass binnacle critical?

Yes, it should be on the fore and aft centreline of the ship.

Yes, for the reasons stated in all of the suggested answers.

Yes, it should be sited on a non-metallic base if possible.

Yes, it should be away from major electrical power cables.

The bridge Officer of the Watch (OOW) is plotting the ship’s position in the chartroom, when the ship is in collision with a fishing vessel. Why would the OOW be held responsible for the collision?

If the OOW is busy with the safe navigation of the ship he should have exhibited the “Not under Command” signals and made other ships keep clear.

If risk of Collision existed, the fishing boat should have contacted the larger ship over the VHF before the collision took place.

Under the Rules the fishing vessel should have kept clear of larger vessels and the OOW would not be responsible.

Under the Rules a proper lookout should be maintained at all times and by all available means.

When a ship is lying at anchor in a tidal area using both forward anchors, to what particular aspect should the officer of the watch be paying special attention?

When the ship swings to the tide the direction of swing should be controlled to avoid the anchor cables becoming wrapped round each other.

The tension on both cables should be similar, to avoid one dragging and all the weight of the ship remaining on the other anchor only.

The ship will become controlled by the tide and the wind will not be allowed to have any effect on the direction the ship lies at anchor.

The two anchors will restrict the ships swing with the tide and the ship may not lie to the prevailing current and wind.

In the diagram, the amount of water under the keel is indicated by the letter “C”. Which bridge instrument would measure this value?

Draught Indicator.

Echo Sounder.

ECDIS.

Arpa Radar.

What would be the effects of a ship passing into shallow water?

The vessel has a tendency to swing to port with a single fixed-pitch right-hand turning propeller.

There is no noticeable difference in performance of the ship.

The speed is not affected, but more rudder is required to steer the ship.

The ship is less responsive to both rudder and propeller.

When should voyage planning be done?

Before the pilot is leaves the vessel at the departure port.

During the pilotage when leaving the berth.

Prior to leaving the berth.

Before the vessel completes the previous passage.

What are the main components causing the magnetic compass to require a regular evaluation and compass correction?

The change in the position of the magnetic pole causing annual changes in the variation.

The continual changes of courses steered by the ship.

Deviation and Variation.

Permanent and induced magnetism in the ships structure.

You are on a sailing vessel, underway in open water. This vessel is sighted on the starboard bow, on a steady bearing and the distance is closing. By the International Regulations for the Preventing Collisions at Sea, what action will you follow?

Risk of collision is deemed to exist and, as the other vessel is on a steady bearing on my starboard side, I am required to keep out of the way. I will make a broad alteration of course to starboard.

By Rule 18, a power-driven vessel underway shall keep out of the way of a sailing vessel. I will maintain my course and speed, but will continue to monitor situation to ensure the other vessel takes avoiding action.

Risk of collision is deemed to exist and, as the other vessel is on a steady bearing on my starboard side, I will maintain my course and speed.

This vessel is clearly a power-driven vessel and I anticipate that the bearing will therefore close and she will pass ahead at a safe distance.

The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?

Contact the other ship and send the bridge lookout down to start taking soundings.

Stop engines and check over the side for any signs of pollution.

Call the Master and check the position for any immediate dangers.

Sound the General Alarm and stop engines.

You are proceeding up a river, with berths on both banks. You see this flag hoist on a vessel moored on a berth ahead. What does it mean?

I am about to depart the berth.

Caution! I have an anchor down.

You should proceed at slow speed when passing me.

My engine is disabled.

The «Navigation (NA) Operational Level» subject covers both theoretical and practical knowledge regarding safety when working with electrical equipment. Mastery of this information is a key indicator of an employee's competence in their specific role on a vessel. As a 3rd officer responsible for navigation duties, your primary tasks include assisting senior officers in planning the ship’s voyage by calculating safe passage routes, preparing navigation charts, and monitoring weather conditions. You are also responsible for conducting regular safety checks on all life-saving equipment to ensure it is in good working order, as well as operating and maintaining navigational equipment like radar, GPS, and compasses to ensure they are functioning correctly.

Version: 4.1, 5.0, 5.1, 6.0.0.
Test type: STCW.
Duty: 3rd Officer.
Level: Operational.
Theme: Navigation.

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