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Головна Онлайн-тести CES Усі типи судів 2nd-Off / 3rd-Off Test for Officers onboard about Navigation, Operational Level (CES v6.0)
Онлайн-тестування: Test for Officers onboard about Navigation, Operational Level (CES v6.0)
Онлайн-тест
Опис
Відгуки
Тест складається із 80 випадкових питань.
Усього питань на цю тему: 209
Усього питань на цю тему: 209
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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.
The lights here show those that must be exhibited by a vessel engaged in towing, as per rule 24 of the International Collision Regulations. But how long is the tow behind this vessel?
It is less than 200 metres.
It exceeds 200 metres.
At least 100 metres.
It is more than 50 metres but less than 200 metres.
How can a new officer, just boarding a ship, ensure that he knows the location and operation of all navigational and safety equipment and take account of the operating limitations of such equipment?
By following the standard company Induction procedures for a bridge watchkeeping officer.
By using the equipment on regular watchkeeping duties.
The certificate of competency will ensure the officer has suitable competence in operating the bridge equipment.
By asking other officers and practicing with the use of the equipment.
What are the limits of a passage or voyage plan?
From berth to berth.
It is dependant on the voyage and if there are any river or canal transits.
From Full Away On Passage (FAOP) to End Of Passage (EOP).
From pilot to pilot.
What would be considered the most favourable heading of a ship when launching a lifeboat?
The ship should steer about 100° of the prevailing weather and sea with the boat to be launched on the leeside.
The ship should steer with the prevailing weather and sea on the beam and the boat to be launch on the leeside.
The ship should steer about 30° off the prevailing weather and sea with the boat to be launch on the leeside.
The ship should lie stopped in the water with the weather on the opposite side to the boat to be launched.
How will the ship behave if it experiences a complete loss of power (black out) in the situation illustrated?
The wind will push the vessel sideways, but the heading will not change.
The vessel will gradually swing to port and the speed will slowly reduce.
The vessel will continue on course and the speed will slowly reduce.
The vessel will gradually swing to starboard and the speed will slowly reduce.
What are the limits of a passage or voyage plan?
From Full Away On Passage (FAOP) to End Of Passage (EOP).
From berth to berth.
It is dependant on the voyage and if there are any river or canal transits.
From pilot to pilot.
What is the correct understanding of the term “Block Coefficient” as applied to a ship?
The coefficient of a Block and Tackle.
The ratio of the waterplane shape of the ship to a rectangle of the same extreme dimensions.
The comparisons of the underwater shape of the ship, to a rectangular block of the same extreme dimensions.
The restriction of a valve in a pipe to the flow of fluid through that pipe.
What is the purpose of a fire wire?
A wire for pulling burning ships off the pier.
A wire for pulling fire-hoses up to the top bridge.
A wire for handling fire buckets.
A wire for securing the Fire Tug alongside a burning ship.
What is happening here?
These are two vessels engaged in fishing (pair trawling), showing the additional voluntary signals for shooting nets.
These are two vessels engaged in fishing (pair trawling), showing the additional volutary signals for hauling nets.
This is a vessel engaged in towing a disabled tow, restricted in its ability to manoeuvre, with a searchlight used to highlight the location of the tow.
These are two vessels engaged in fishing, using purse-seine gear. The searchlights are simply working lights.
Can anything be done on a vessel with forward speed, to reduce the change in heading caused by a right hand fixed pitch propeller being put astern?
No, the rudder should be kept amidships when going astern and there is little that can be done to reduce the swing to starboard.
The rudder should be put hard to starboard to reduce the water flow to the left side of the propeller.
Yes, the rudder can be put to port.
The rudder can be cycled from side to side.
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 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.
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.
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.
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.
What special equipment can often provide assistance in locating a survival craft or man overboard and in the water?
A SART.
A sectored search pattern.
A RACON.
AIS.
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.
The ship is to berth alongside a quay in calm conditions of no wind or current. The ship has a signle fixed pitch right handed propeller. Which angle of approach would be considered the most favourable?
No. 3.
No. 2.
No. 1.
The decision should be left to the pilot who is in charge of the manoeuvre.
Which option best completes the following statement? An operator using ECDIS, will notice an out of position navigation buoy because:
There will be a flashing alarm on ECDIS showing which one is out.
A local port authority would send an automatic signal to ECDIS.
The radar return and ENC buoy symbol will not coincide.
It is coloured orange on an ECDIS display.
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 sound signal can be made when nearing a bend in a river, with the view around the bend obscured by an intervening obstruction?
Two short blasts.
One prolonged blast.
Two prolonged blasts.
One short blast.
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.
You are in an area of restricted visibility and hear this signal. It is repeated at 2 minutes intervals. What does it indicate?
That there is another vessel nearby, that she is underway, but stopped and making no way through the water.
That there is another vessel nearby, but that she is at anchor.
That there are two more vessels nearby.
That there is another vessel in the vicinity and that she has just altered course to port.
What possible reason could there be for the identification mark associated with a Racon not being visible on the radar screen?
All of the suggested answers.
The Racon may not be transmitting a pulse.
The radar may be suppressing the mark with application of the Interference Rejection control.
The transmitted radar frequency may not trigger the Racon transmitter.
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.
The following vessels are all required to make the same sound signal when in or near an area of restricted visibility: a vessel not under command; a vessel restricted in her ability to manoeuvre; a vessel constrained by her draught/a sailing vessel; a vessel engaged in fishing; a vessel engaged in towing or pushing another vessel. What is that signal?
Two prolonged blasts, followed by one short blast, at intervals of not more than 2 minutes.
One prolonged blast, followed by two short blasts, at intervals of not more than 1 minute.
One prolonged blast at intervals at not more than 2 minutes.
One prolonged blast, followed by two short blasts, at intervals of not more than 2 minutes.
Is the location of the Compass Binnacle critical?
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 on the fore and aft centreline of the ship.
Yes, it should be away from all electrical power cables.
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.
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.
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.
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 the correct understanding of the term “bank effect”? If a ship was approaching the bank at an angle, what would be the effect on the ship?
The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.
The vessel’s bow is pushed away from the bank.
The vessel’s stern is pushed away from the bank.
The vessel’s bow is attracted by the bank.
The ship’s rudder is full over when the ship’s engines are full ahead. Will the turning effect (lift force) of the rudder be changed when the engine is stopped?
Yes, the lift or turning force will be reduced to about 50 % of the original lift force when the engines are stopped.
Yes, the lift force will be dramatically reduced when the engines are stopped.
No, the lift force is unaffected by the speed of the propeller.
No, the turning force applied by the rudder will be maintained within about 90 % of the lift force when going full ahead.
What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”.
TT.
CQ.
CA.
AS.
The maximum rudder angle on your ship is 35°. Do you think this is the angle that the rudder is most effective?
No, the rudder is most effective at small rudder angles.
No, the most effective rudder angle is about 25 to 30°, this is because the rudder is stalling at 35° angle.
Yes, the rudder is most effective at max angle.
No, the rudder is most effective at angles between 10 and 20°.
You are in an area of restricted visibility, close to a port. You hear this signal. What vessel does it come from and what additional information does the signal provide?
A vessel at anchor, less than 100 metres in length. She is sounding the additional signal top give warning of her position.
A vessel at anchor, more than 100 metres in length. The additional signal indicates that her cable extends at least 25 metres from her bow.
A vessel at anchor, more than 100 metres in length. She is sounding the additional signal to give warning of her position.
A vessel aground, more than 100 metres in length. The additional signal indicates which side the clear water lies on.
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”.
When navigating along a coastline what should be considered the most accurate method of navigating?
Use of radar ranges and bearings.
Passing close to navigational buoys.
Use of Differential GPS.
Bearings of navigational shore marks such as lighthouses.
This vessel is sighted ahead and slightly to port. What is her situation? What will you do?
This is a vessel engaged in fishing vessel, with her nets fast on a obstruction. I will keep out of the way by rule 18 of the International Collision Regulations.
This vessel is aground. I will navigate with extreme caution given the nature of the hazard.
This is a vessel not under command at anchor.
This is a vessel aground. She appears to have been headed to starboard of my track and I will therefore alter course to port, passing under her stern.
In the figure, which letter gives the correct understanding of the term “LENGTH OVERALL”?
Length Overall is indicated by D, in the figure.
Length Overall is indicated by C, in the figure.
Length Overall is indicated by B, in the figure.
Length Overall is indicated by A, in the figure.
What actions should the Officer of the Watch take when the ship’s steering gear fails?
Call the Master and advise him of the situation.
Display the NUC signal and consider stopping the engines.
All of the suggested answers.
Request the engine room to check the steering gear.
Which of the four figures illustrated shows the correct position line for the following situation: Latitude 50° 00′ N, Longitude 30° 00′ W, Time 1200 GMT. Course steered: 090° True, Speed: 12 knots, bearing of the sun: 200°, Intercept correction: 00° 02′ Towards (observed altitude – computed altitude).
Figure 2 is correct.
Figure 4 is correct.
Figure 3 is correct.
Figure 1 is correct.
A tug is moving towards the bow of the ship to make fast and is in the vicinity of the ship’s shoulder, as illustrated. What specific danger should be considered when making this approach to the bow?
The positive pressure field at the ships bow may repel the tug and make the connection very difficult to establish.
The tug may be turned across the bow of the ship and also suffer a lose of stability with a danger of being turned over if touched by the ship.
The stern of the tug may be sucked in towards the bow and also suffer a reduction in the positive GM, making it very unstable.
All of the alternative answers.
When should a ship’s officer use some of the English language found in the IMO’s publication “Standard Marine Communication Phrases”?
When talking between ship and shore in a foreign land.
In circumstances described in all of the answers provided.
When talking on the VHF between ships of differing flag states.
When giving orders to a multi-national bridge team.
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.
The Master has decided to “single up” to a spring line at each end as the last lines to let go whilst unmooring. Which of the following methods should be used to hold the lines, whilst waiting for the order to “let go”?
The eye of the lines should be put on the bitts, fig. 2.
The line should be turned up on the bitts, fig. 1.
The line should be held on a stopper ready for immediate release, fig. 4.
The line should be kept on the warping drum of a deck winch, fig. 3.
The ship has a single fixed pitch right-handed propeller and is going astern as illustrated. What is the most likely way the ship will react in these circumstances?
The stern will “back” into the wind and the ship’s heading will swing to starboard.
The stern will fall off to starboard, making the heading swing to port.
The bow will “seek” the wind and the ship will swing to port.
The ship will go straight astern and the heading will remain approximately the same.
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.
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.
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.
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
That the vessel is picking up his pilot.
That the vessel is altering his course to starboard.
That the vessel is starting his engine and resuming his passage.
That the vessel is operating astern propulsion.
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.
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.
According to the International Regulations for Preventing Collisions and the illustrated lights, what type of vessel is it?
This vessel is aground.
This vessel is not under command and stopped in the water.
This is a vessel constrained by her draft.
This vessel is not under command, but is making way through the water.
What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?
Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty.
Commence sounding the fog signal and reduce speed to Slow Ahead.
Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions.
Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts.
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.
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.
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.
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.
What radar device assists in the detection and location of a survival craft?
AIS beacon.
EPIRB beacon.
A personal locator beacon.
SART beacon.
You are in open water and clear conditions. You are approaching the pilot station when you hear this signal from a vessel ahead of you. What does it signify?
That the vessel is altering his course to starboard.
That the vessel is operating astern propulsion.
That the vessel is picking up his pilot.
That the vessel is starting his engine and resuming his passage.
The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:
12 mtrs.
15 mtrs.
9 mtrs.
6 mtrs.
Can the OOW be the sole lookout?
Only if the ARPA radar is set onto Auto Acquisition with an audio alarm sounding when a ship is detected.
When the visibility is good and the ship is in the middle of the ocean where there is very little shipping.
Never should the Officer of the Watch be the only lookout.
During daylight when visibility and traffic allows.
What is the direction of wind associated with an anticyclone (area of high pressure) in the Northern Hemisphere?
Clockwise around the high pressure.
Anticlockwise around the high pressure.
Straight towards the centre of the anticyclone.
Directly away from the centre of the anticyclone towards the nearest low pressure.
What is the correct understanding of the term “a ship with good Directional Stability”?
A ship which when the rudder is left amidships, it will continue on approximately a straight course.
A ship which when a rudder angle is applied and the ship starts to swing, will continue to swing even after the rudder is returned to amidships.
A ship which will maintain its course unless large rudder angles are applied.
A ship where the amount of positive transverse stability (GM) will vary with the direction of the ship’s head.
According to the International Regulations for Preventing Collisions and the illustrated lights, what type of vessel is this and from what direction is it viewed?
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. Looking at its port side.
This is a vessel engaged in pilotage duties at anchor. Looking at its port side.
This is a vessel engaged in fishing other than trawling, making way through the water, with outlying gear extending more than 150 metres in the direction of the all-round red light. Looking at it from astern.
What is the depth of an iceberg below the surface of the sea?
The depth of an iceberg below the surface is always about one sixth of its total depth.
The draught of an iceberg is about the same as the visible part of the iceberg above the water.
The draught of an iceberg varies with the type of berg and its age.
The draught of an iceberg is normally about 3/4 of its total depth.
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 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.
Who is responsible for the number and the position of any tugs to be used during a mooring operation?
The Master, with consideration of the advice of the pilot.
The Pilot is fully responsible for the number and use of tugs within the port area.
It will be only the wind speed that will determine the required number of tugs and how they are used.
The Port Authority will dictate the tug requirements and their use within the port limits.
Is the location of the Compass Binnacle critical?
Yes, it should be on the fore and aft centreline of the ship.
Yes, it should be sited on a non-metallic base if possible.
Yes, it should be away from all electrical power cables.
Yes, for the reasons stated in all of the suggested answers.
The ship is drifting in the open sea with a temporary engine breakdown. The ship is equipped with GPS navigation equipment. What should the bridge Officer of the Watch do in this situation?
All of the possible answers.
Keep a good lookout for other ships.
Display the “Not under Command” signal and switch off the normal steaming lights.
Plot the direction and rate of drift and predict the ships position for the period while the ship is “Not Under Command”.
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.
The positions of the ship provided by the GPS receiver should always be verified by other means. Which of the following suggested methods would be the most accurate?
Bearing and distance from a navigational buoy.
Radar bearings of three distinctive shore objects.
Radar ranges of three distinctive shore objects.
A DR updated position from the last reliable one.
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.
You are proceeding along a narrow channel in front of another vessel, both heading for port. You hear this signal from the vessel behind you. What does it mean?
I intend to overtake you on your port side.
I am faster than you. Get out of the way.
I intend to overtake you on your starboard side.
I am operating astern propulsion.
If the radar is set onto the Relative Motion Display, what would an echo of a target with no trail indicate? Note this the trail of the echo and not a vector.
The target is stopped and making no way through the water.
The target is on the same course and speed as own ship.
The target is on a constant bearing and getting closer to own ship.
The target is on a collision course with own ship.
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.
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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