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

Frage 1 aus 80

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

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

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

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

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

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 does this signal hoist mean?

I require medical assistance.

Do you require assistance?

Stand by to assist me.

I require immediate assistance.

When plotting a position, where should the Officer of the Watch select as the ships position, when three gyro compass bearings intercept as a triangle (Cocked Hat) and not as a single point?

At the point furthest away from any danger.

At the point nearest the course line drawn on the chart.

At the point nearest to the danger, if any.

At the centre of the triangle.

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.

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.

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.

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

AS.

TT.

CQ.

CA.

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.

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.

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.

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.

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 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 can be simply rigged to assist a survival craft in keeping alongside own vessel?

The accommodation ladder deployed to the water surface.

The survival craft painter made fast on the vessel’s deck.

A single weighted line hanging over the side from the deck.

A painter rigged fore and aft against the vessel’s side.

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 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.

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 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”.

You are in an area of restricted visibility. You hear this sound signal. What does it mean?

That there is a vessel aground in the vicinity.

That there is a vessel at anchor in the vicinity.

That there is a vessel engaged in underwater operations in the vicinity. She has divers down.

That there is a vessel in distress nearby.

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.

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.

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 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.

In a canal without water flow, if a vessel was approaching a bank at an angle, what would be the probable effect on it?

The vessel’s stern is pushed away from the bank.

The vessel’s bow is attracted by the bank.

The vessel’s bow is pushed away from the bank.

The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.

Which of the following figures drawn on the plane of the Meridian is correct for an observer in position Latitude 30° 00′ North; Longitude 15° 00′ West, when observing the sun on the meridian, if the sun’s Declination is 15° 00′ South?

Figure 4 is correct.

Figure 2 is correct.

Figure 3 is correct.

Figure 1 is correct.

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

The (ISC) Bridge Procedures Guide.

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

Standard Marine Navigational Vocabulary.

The Oxford Concise Dictionary.

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 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.

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.

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.

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

Strong winds and heavy rain.

Persistent rain and very humid weather.

Strong winds but with very little rain.

Light winds and fair weather, sometimes fog.

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.

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 radar device assists in the detection and location of a survival craft?

AIS beacon.

EPIRB beacon.

A personal locator beacon.

SART beacon.

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.

You are on a power-driven vessel underway in open water. You sight these lights on the port bow, on a steady bearing. The distance is closing. What are you looking at and what action will you take in compliance with the International Regulations for Preventing Collision at Sea?

This is a power-driven vessel, more than 50 metres in length or less than 50 metres in length and showing a second masthead light, restricted in her ability to manoeuvre. The sidelight of a second vessel can be seen beyond her. Under rule 18, I am obliged to keep clear of the first vessel and will therefore take appropriate avoiding action.

This is a power-driven vessel engaged in towing, less than 50 metres in length, length of tow under 200 metres and the tow, both being restricted in their ability to manoeuvre, seen from the starboard side. Under rule 18, I am required to keep clear and will take appropriate avoiding action.

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?

Plot the direction and rate of drift and predict the ships position for the period while the ship is “Not Under Command”.

Keep a good lookout for other ships.

All of the possible answers.

Display the “Not under Command” signal and switch off the normal steaming lights.

Which type of vessel suffers from the greatest squat effects?

Vessel with a low Block Coefficient.

Vessel with a small length to beam ratio.

Vessel with a high Block Coefficient.

Vessel with a large length to beam ratio.

What would be the stopping distance of a VLCC when proceeding at 8 knots in deep water and the engines are put “Full Astern”?

8 nautical miles.

Varies, but can be determined from trial data.

15 ship lengths.

4 nautical miles.

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 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.

How can the effects of Squat be minimized, when a ship is proceeding in shallow water?

Maintain a speed of about 6 knots and use minimal rudder when manoeuvring.

Enter the shallow water with a stern trim and proceed at a moderate speed.

Decrease the speed and keep this ship to the centre of the channel where the water is probably deepest.

Maintain a slow speed just sufficient to maintain steerage.

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.

This vessel is encountered at the mouth of a river. According to the International Regulations for Preventing Collisions and the illustrated shapes, what type of vessel is it?

This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which it is safe to pass; the two diamonds in a vertical line indicate the side on which an obstruction exists; the ball/diamond/ball indicate that the vessel is restricted in her ability to manoeuvre.

This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which an obstruction exists; the two diamonds in a vertical line indicate the side on which it is safe to pass; the ball/diamond/ ball in a vertical line indicate that the vessel is restricted in her ability to manoeuvre.

What is the depth of an iceberg below the surface of the sea?

The draught of an iceberg is normally about 3/4 of its total depth.

The draught of an iceberg varies with the type of berg and its age.

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.

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.

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.

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.

When navigating using the GPS, how does the GPS display indicate when the accuracy of the displayed position is reduced?

A large HDOP value is displayed on the screen.

A large “Correction Factor” number is displayed on the screen.

The GPS display flashes and sounds an alarm.

The GPS display is always very accurate and does not give any indication of lack of accuracy.

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 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

Determine how close your vessel is to the distressed vessel.

Contact SAR Authorities via nearest coastal Radio station.

Determine if anyone else has heard the distress signal and if your vessel is near the distress.

Attempt to establish contact with the distressed vessel.

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.

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).

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.

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.

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.

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.

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 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.

With the Master on the bridge, when is the Officer of the Watch officially relieved of their responsibility for the vessel?

When the Master starts giving steering orders.

As soon as the Master enters the bridge.

It varies from deep sea to pilotage operations and is never very clear.

When the Master informs the Officer of the Watch that he is taking over the “con”.

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

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.

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.

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.

A ship normally turns (swings) around a point which is not the centre of gravity. What is this point normally called?

Centre of Turn.

Centre of Buoyancy.

Centre of Floatation.

Pivot Point.

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.

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 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.

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 «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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