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OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 4 – PART 4

22 March, 2023
REVIEWER

COMPETENCE 4 – Use of ECDIS to Maintain Safety of Navigation

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#1. ECDIS uses the following units of measure EXCEPT:

depths in meters

depths in meters

distance in nautical miles

distance in nautical miles

height in meters

height in meters

true course in degrees

true course in degrees

Incorrect!

Next

#2. If the electronic chart is part of an ECDIS, it must display the minimum data required by IMO/IHO, to include all of the following except what?

Hydrographic office data

Hydrographic office data

Notice to mariner’s information

Notice to mariner’s information

ECDIS warnings and messages

ECDIS warnings and messages

Tidal currents

Tidal currents

Incorrect!

Next

#3. ECDIS should be able to perform all the following functions, except for what?

Determine the true bearing and distance between two geographical points

Determine the true bearing and distance between two geographical points

Determine the magnetic compass deviation

Determine the magnetic compass deviation

Transform a local datum to WGS-84 datum

Transform a local datum to WGS-84 datum

Convert geographical coordinates to display coordinates

Convert geographical coordinates to display coordinates

Incorrect!

Next

#4. ECDIS must have the capability to preserve the record of the voyage track for the previous:

12 hours

12 hours

6 hours

6 hours

24 hours

24 hours

4 hours

4 hours

Incorrect!

Next

#5. If the ECDIS monitor’s resolution is poor or improperly set, what may be affected on ECDIS?

Fineness of detail may be lost.

Fineness of detail may be lost.

Chart features may not be shown in the intended color.

Chart features may not be shown in the intended color.

Chart scale may be misrepresented.

Chart scale may be misrepresented.

All of the choices

All of the choices

Incorrect!

Next

#6. If the ECDIS monitor’s resolution is poor or improperly set, what may be affected on ECDIS?

fineness of detail may be lost

fineness of detail may be lost

grounding possibilities

grounding possibilities

passage problems

passage problems

all of the choices

all of the choices

Incorrect!

Next

#7. In the ECDIS Route Planning Mode, which of the following (is) are the primary ways to adjust a planned route?

Alphanumerically and graphically

Alphanumerically and graphically

Changing the position of waypoints

Changing the position of waypoints

Adding waypoints

Adding waypoints

All of the choices

All of the choices

Incorrect!

Next

#8. ECDIS must give an alarm for which of the following cases?

when the specified limit for deviation from the planned route is exceeded

when the specified limit for deviation from the planned route is exceeded

if the ship, within a specified time set by the watch officer, is going to cross a safety contour

if the ship, within a specified time set by the watch officer, is going to cross a safety contour

if the ship within a specified time set by the watch officer, is going to cross the boundary of a prohibited area

if the ship within a specified time set by the watch officer, is going to cross the boundary of a prohibited area

All of these

All of these

Incorrect!

Next

#9. If it is thought or known that floating aids to navigation (buoys) have shifted, how should this be interpreted on ECDIS?

Physical buoy positions may differ from charted locations on ECDIS, as with any type of chart information.

Physical buoy positions may differ from charted locations on ECDIS, as with any type of chart information.

Charted buoy locations are always more reliable than own ship’s GPS position information.

Charted buoy locations are always more reliable than own ship’s GPS position information.

ECDIS always shows the actual location of buoys.

ECDIS always shows the actual location of buoys.

Buoy position changes are never included in ENC updates.

Buoy position changes are never included in ENC updates.

c

Next

#10. Identify which of the following primary information should always appear on ECDIS display during route monitoring mode?

Next waypoint course

Next waypoint course

Vessel’s cross tack error

Vessel’s cross tack error

Ship’s ETA

Ship’s ETA

Selected route

Selected route

Incorrect!

Finish

There are 10 questions for the actual examination for Competence 4 for OIC-NW with a passing rate of 70%. This means that you are only allowed to make 3 mistakes.

DISCLAIMER

The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.

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