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Heim Online-Tests CES Alle Arten von Schiffen 2nd-Off / 3rd-Off Test for Officers onboard about Navigation, Operational Level (CES v6.0)
Online-Test: Test for Officers onboard about Navigation, Operational Level (CES v6.0)
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Der Test besteht aus 80 zufälligen Fragen.
Gesamtzahl der Fragen zu diesem Thema: 209
Gesamtzahl der Fragen zu diesem Thema: 209
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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.
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.
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.
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.
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.
What is the correct understanding of the term “a ship with good Directional Stability”?
A ship moving forwards with the rudder amidships, will continue in a straight line.
The ship will shear away from its heading if not controlled.
A ship when swinging, will continue to swing even after the rudder is returned to amidships.
A ship will always follow in the direction that the rudder is put.
What is important to check when transferring a position from the GPS receiver to a paper chart?
The chart datum is correct for the area the vessel is located.
That it is a “2D” fix and the antenna height is set correctly.
That the chart datum is also WGS84 or there are corrections.
Ensure that the chart has been corrected up to date.
What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”.
TT.
CQ.
CA.
AS.
Two mooring lines are pretensioned equally and have the same length, same breaking strength and same directional load. However, one is made of wire (with a full load elastic elongation of about 1,5 % of its length) and the other made of nylon (with a full load elongation of about 30 % of its length). If a gust of wind increases the load on the lines, how will it be shared?
The wire and rope will share the load equally.
Wire takes 45 % of the extra load. Rope takes 55 % of the extra load.
Wire takes 55 % of the extra load. Rope takes 45 % of the extra load.
Wire takes 95 % of the extra load. Rope takes 5 % of the extra load..
What could be the reason for the magnetic compass to swing through large angles when the ship is rolling in a seaway?
The error due to deviation is large for that ships heading.
The Coefficient B determined by the Compass Corrector at the last dry-dock was not correctly calculated.
The heeling error magnets are upside down and/or not in the correct position.
The induced magnetism from the earth’s magnetic field is very strong in that area.
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 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 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.
Where would the “pivot point” be considered to be located when the ship is proceeding at full speed ahead and there is no wind or current?
At a position near the stern of the ship.
At amidships.
At about 1/6 of the ship’s length from the stern.
At about 1/6 of the ship’s length from the bow.
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.
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 aground in the vicinity. She is more than 100 metres in length. She is sounding an additional warning 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 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”.
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”.
What is the purpose of a sea anchor?
To keep the lifeboat in a position close to the vessel.
To adjust the drifting speed of the lifeboat.
To give a better signals to any aircraft searching for survivors.
To keep the lifeboat steady against the sea/wind.
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.
The ship’s engine is going astern and the ship is piking up sternway. The rudder is amidships and the ship has a single, right-handed, fixed pitch propeller. What would be expected to happen?
The ship will probably start to change heading to starboard and stern speed will increase.
The ship will probably start to change heading to port and stern speed will increase.
The ship will move astern at an increasing speed and the stern start to swing off to starboard.
The ship will probably go straight astern without a change in heading and the stern speed will increase.
If a ship in deep water requires 2 nautical miles to “crash stop”, what will be the crash stopping distance in shallow water for the same start speed?
Similar distance to deep water.
A greater distance.
A shorter distance.
Depends on the crash stop used.
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.
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.
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”.
Who is ultimately responsible for the voyage plan?
The Officer of the Watch (OOW) on duty.
The Master.
The Second Officer as the official Navigation officer.
The ship owner will provide overall parameters within which the ship must follow.
When should gangway nets be rigged?
When it is deemed necessary by the Master of the Chief Officer.
Whenever the gangway is rigged.
Between sunset and sunrise.
Whenever the gangway is regarded as unsafe.
According to rule 13 of the International Regulations for Preventing Collisions at Sea, what is the definition of “an overtaking vessel”?
When coming up with another vessel from a direction more than 22,5° abaft her beam.
When the vessel is detected as a radar target or sighted visually in a position directly astern.
When coming up with another vessel from any direction abaft her beam.
When coming up with another vessel from a direction more than 45° abaft her beam.
What corrections must be applied to the echo sounder reading to compare the depth of water with the depth printed on the chart?
Shallow water effects.
The distance between the pulse Transmitter and Receiver.
Draught of the ship.
Allowance for the ships speed.
Which part of the magnetic compass error changes with a change in the course steered?
All of the suggested answers.
Deviation.
Variation.
Induced magnetism.
After passage planning with ECDIS, how should the route be checked for safety?
Using the ECDIS route and geometry checker only.
Using the ECDIS route checker and by visually sighting all along it.
Transfer the ECDIS plan onto paper charts.
Investigate the displayed waypoint list after it is printed out.
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 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.
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 is the purpose of a sea anchor deployed from a lifeboat?
To hold the lifeboat in position with other survival craft.
To keep the lifeboat’s heading against the wind and sea and reduce drift.
To keep the lifeboat in a position close to the vessel.
To give a better signal to any aircraft searching for survivors.
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.
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.
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.
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.
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.
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.
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.
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.
What is understood by the term “Dew point” of the air?
All of the suggested answers.
The “Dew Point” is the point at the centre of an Anticyclone.
The temperature of the water vapour in a cloud.
The temperature at which water vapour in the air forms into water droplets.
Rule 12 of the International Collision Regulations prescribes the action to be taken by a sailing vessel when meeting another sailing vessel. This depends on the direction of the wind relative to each vessel. In the situation shown here, which sailing vessel (A or B) must keep out of the way of the other?
The upwind sailing vessel must keep out of the way of the downwind sailing vessel.
Sailing vessel B must keep out of the way of sailing vessel A.
Both sailing vessels are required to take avoiding action.
Sailing vessel A must keep out of the way of sailing vessel B.
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 does this flag mean?
I wish to communicate with you.
My vessel is stopped and making no way through the water.
Yes (affirmative).
I have a diver down; keep well clear at slow speed.
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.
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.
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.
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 immediate actions should the Officer of the Watch take when the ship goes aground on an uncharted shoal in the middle of the ocean?
Stop engines and immediately request “Full Astern”.
Stop engines and tell the engine room to switch over to high suctions.
Stop engines and call the Master.
Sound the General Alarm and plot the ships position.
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.
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.
A balanced rudder has some of the rudder area forward of the rudder axis. About how much area should this be to call it a balanced rudder?
It should be about 20 %.
It should be about 5 %.
It should be about 55 %.
It should be about 50 %.
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.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers.
Maximum helm angle and rolling period.
Latitude and Speed.
Deviation and Variation.
Which of the four calculations illustrated is the correct one to determine the latitude of the observer when the sun is on the meridian?
Calculation 3 is correct.
Calculation 2 is correct.
Calculation 1 is correct.
Calculation 4 is correct.
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.
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.
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.
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, an Indication or a Caution.
Either an Alarm, a Warning or a Caution.
Either an Alarm, a Warning or an Information.
What methods could be introduced into a passage plan for continuous monitoring of the ships position when navigating along a coastline?
Parallel Index lines.
Conspicuous headlands and navigational marks for taking positions.
The radar ranges of the coastline at all course alteration points.
All of the suggested answers.
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.
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.
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.
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.
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 is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning “Calling All Ships”?
AS.
TT.
CQ.
CA.
What are the required data inputs into most gyro compasses to reduce any possible compass error?
All of the data in the suggested answers.
Latitude and Speed.
Maximum helm angle and rolling period.
Deviation and Variation.
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.
You are on a power-driven vessel underway in open water. This vessel is sighted on the port bow on a steady bearing. What kind of vessel is it and what will your action be?
This is a sailing vessel not making way through the water. There is no risk of collision and I will maintain my course and speed.
This is a sailing vessel underway. I am the stand-on vessel and will maintain my course and speed under rule 17.
This is a vessel engaged in fishing. It is my responsibility to keep clear under rule 18 and I will alter course to starboard, sounding one short blast.
This is a sailing vessel underway, seen head-on. It is my responsibility to keep clear under rule 18 and I will take appropriate avoiding action.
Once a ship (equipped with self-stowing auto-tension winches) is moored alongside a loading or discharging berth, how is it recommended that the winches are set?
All mooring winches be left in “auto-tension” mode.
All winches to be left with the manual brake on and out of gear.
The “breastline” and “headline” winches be left in the auto-tension mode and spring winches with manual brake on.
The “spring” winches be left in the auto-tension mode and all other winches with the manual brake on.
If a ship requires 2 nautical miles to stop in the water from a “crash stop” when proceeding at full ahead in deep water. What will the stopping distance be in shallow water?
A shorter distance.
Similar distance to deep water.
About 1,5 nautical miles.
A greater distance.
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.
A ship is equipped with a right-handed fixed pitch propeller, which when going from Full Ahead to Full Astern will make the ship sheer to starboard. Can anything be done to reduce this change in heading?
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 can be put from side to side in a “Rudder Cycling” movement.
The rudder can be put to Hard to Port to reduce the water from to the right side of the propeller.
The rudder should be put Hard to Port to reduce the water flow to the left side of the propeller.
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 does this flag mean?
My vessel is stopped and making no way through the water.
Yes (affirmative).
I have a diver down; keep well clear at slow speed.
I wish to communicate with you.
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.
What radar device assists in the detection and location of a survival craft?
AIS beacon.
EPIRB beacon.
A personal locator beacon.
SART beacon.
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.
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.
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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