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Washington / SEAPA Pilots > The Ecdis Manual 2019 Edition - Witherbys > Flashcards

The Ecdis Manual 2019 Edition - Witherbys Flashcards

1
Q

When was radar developed?
A. World War I.
B. World War II.
C. 1965
D. 1980

A

B. World War II.

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2
Q

These type of images tend to have color and transparency values defined for small regular rectangular areas on a grid making up the graphic.

A

Raster images

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3
Q

These type of images tend to be defined as a set of lines and areas with appropriate properties

A

Vector images

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4
Q

This is the code for international code for land and Sea based graphic information system incorporating international standards of Geospatial data.
A. S57
B. S100
C. S101
D. None of the above

A

B. S-100

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5
Q

This special publication provides specifications and guidance regarding the issuing and updating of electronic navigation charts and their display in ECDIS in terms of symbols and colors
A. S-57
B. S-101
C. S-52
D. S-63

A

C. S-52

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6
Q

This special publication includes a description of the data format, productions, specification for the production of ENC data, and an updated profile.

A. S-57
B. S-101
C. S-52
D. S-63

A

A. S-57

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7
Q

This special publication describes the IHO recommended standard for the protection of ENC data.

A. S-57
B. S-101
C. S-52
D. S-63

A

D. S-63

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8
Q

This special publication contains test data sets for ECDIS?

A. S-57
B. S-101
C. S-52
D. S-64

A

D. S-64

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9
Q

This standards of IHO special publications that The international standard is based off of or what there are five.

A

S – 52, S – 57, S – 61, S – 63 and S – 64

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10
Q

Performance standards apply to Actus only when navigating in:
A. ECDIS mode of operation only.
B. RCDS mode of operation
C. ECDIS back up arrangements
D. All of the above.

A

D. All of the above.

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11
Q

What must an ECDIS display according to IMO Resolution MSC.232(82)?

A

SENC and all other chart information as deemed necessary by HOs for safe navigation

SENC stands for System Electronic Navigational Chart.

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12
Q

What must an ECDIS manage and record post installation of the base discs?

A

All new editions and chart corrections issued

This is essential for ensuring up-to-date navigational information.

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13
Q

What should an ECDIS indicate regarding the ENC?

A

The scale of the ENC and whether RCDS mode/a paper chart is required

RCDS stands for Raster Chart Display System.

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14
Q

In what orientations must an ECDIS be capable of displaying information?

A

North up and true motion

True motion refers to the actual movement of a vessel relative to the ground.

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15
Q

What type of symbology must an ECDIS use?

A

IHO symbology

IHO stands for International Hydrographic Organization.

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16
Q

What functions related to route planning must an ECDIS carry out?

A

Route planning and warn of dangers

Detailed in Section 5.23.

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17
Q

What functions related to route monitoring must an ECDIS perform?

A

Route monitoring and warn of dangers

Detailed in Section 5.24.

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18
Q

How long must an ECDIS preserve the voyage recording?

A

The previous 12 hours

This is crucial for reviewing navigation data and events.

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19
Q

Who produces nautical chart or publication?

A

The government authorized hydrographic office or other relevant government institution

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20
Q

What are the IMO performance standards?

A

Recommendation on performance standards for electronic chart, display and information systems systems and equipment required to meet the requirements of regulations 19 and 20 Shelby type approved by the administration.

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21
Q

True or false although all ships over 500 GT must comply with Actus carriage requirements. This does not mean that they must go paperless and navigate using actus as a replacement for paper charts.

A

True

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22
Q

True or false to comply with ECDIS carriage requirements a ship cannot remain a paper ship.

A

False a ship may use paper charts with the ECDIS as another navigation aid

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23
Q

True or false a back up in our CDS mode requires adequate paper charts

A

True

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24
Q

What are the two acceptable options for a backup to the ECDIS?

A
  1. A second ECDIS connected to an independent power supply in a separate GNSS position input
  2. An appropriate up-to-date folio of official paper charts for intended voyage
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25
Q

These amendments include ECDIS as a required confidence both at operator and managerial level and require deck officers serving on a ship fitted with an ECDIS to have conducted approved ECDIS training.

A

The Manila amendments

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26
Q

True or false at present there are no IMO guidelines for type specific training and so content for any course should as a minimum encompass that listed in annex A

A

True

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27
Q

Went on watch which of the following is your responsibility as an ECDIS operator:
A. Charts are up-to-date.
B. ECDIS is set up correctly.
C. Sensor information is accurate
D. All the above.

A

D. All of the above.

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28
Q

True or false charts that are not issued by or on the authority of a government authorized hydrographic office, irrelevant government institute are unofficial, and are often referred to as private charts.

A

True these charts are not accepted as a basis for navigation under SOLAS.

29
Q

True or false at most national hydrographic offices, the majority of the vector data is created by tracing over the raster data

A

True

30
Q

Which of the following is vector charts, roster charts and digital overlays ?
A. Additional information.
B. A layer database of charted information.
C. A digital image of a paper chart.

A

A. Digital overlays
B. Vector chart.
C. Raster chart.

31
Q

True or false displaying an approved chart alone is enough to conduct a birth to birth planning and monitoring.

A

False there must be a fully complete passage plan approved by the master with Knogo areas of manual construction as appropriate

32
Q

What does RENC stand for?

A

Regional ENC coordinating center

33
Q

True or false No matter how accurate or inaccurate the data is in the first place, the ability to manipulate. It is significantly affected by the functionality of the software used to display it.

A

True

34
Q

What dad do most ENC‘s use?

A

WGS 84

35
Q

Which special publication describes how objects on display should look?
A. S – 52
B. S – 57.
C. S – 101.
D. S – 100.

A

A. S – 52.

36
Q

This special publication describes the standards to be used for the exchange of digital hydrographic data between national HO and for the distribution of digital data and products to manufacturers mariners and other data users.

A. S – 52
B. S – 57.
C. S – 101.
D. S – 100.

A

B. S – 57.

37
Q

What is the boundary look like that identifies a where unofficial data is shown on ECDIS display?

A

A special line style this boundary is visualized as a one sided red line with a diagonal stroke on unofficial side of the line.

38
Q

ECDIS is only a true ECDIS by IMO definition if it’s using official data in the form of :
A. ENC.
B. RNC.
C. Specialty charts.
D. A and B only.

A

D. A and B only.

39
Q

True or false the use of data must be discussed between masters and officers just because you can show lots of data and overlay does not necessarily mean it will increase spatial awareness and effectiveness

A

True

40
Q

True or false As long as ECS systems can use ENC or RNC data, they can be used to fulfill ECDIS carriage requirements.

A

False ECS systems may not be used to fulfill ECDIS carriage requirements in accordance with solace chapter 5.

41
Q

Which of the following is true, true concerning the analysis of the regulations:
A. All ships must have government approved, nautical charts, and publications sufficient for the voyage.
B. An ECDIS is accepted as a nautical chart provided it has sufficient back up arrangements.
C. Charts must be up-to-date.
D. All of the above.

A

D. all of the above

42
Q

Which regulation clarifies what is official data? It is an approved chart on an approved system.
A. Solas chapter V regulation 18
B. SOLAS chapter IV regulation 19
C. SOLAS chapter V regulation 19.
D. SOLAS chapter VI regulation 16.

A

C. SOLAS chapter V regulation 19.

43
Q

True or false even if an ECDIS meets the SOLAS chart carriage requirements it is down to the flag state to determine how the ECDIS can be implemented on board

A

True

44
Q

If all the electronic equipment, Gyro radar and GNSS have all been checked and confirmed, correct to the best of the users ability then it can be said that relative navigation is as accurate as the relationship between:
A. The Gyro in the ECDIS
B. The GNSS position and charted position.
C. The visual picture and radar picture
D. The visual and/or radar picture compared to the corresponding picture on the ECDIS.

A

D. The visual and or radar picture compared to the corresponding picture on the ECDIS.

45
Q

Any data that is not _________ will need to be monitored to check whether the EDS automatically changes to received GNSS signal or whether the user needs to change it at the receiver.

A

WGS 84

46
Q

When in our RCDS mode, which of the following is correct?
A. We are RCDS should display the horizontal data of the RNC.
B. The RCDS should alarm if the receive GNSS position is not WGS 84 or PE 90
C. The RCDS should continuously indicate if the RNC cannot be referenced to WGS 84 or PE 90
D. All of the above.

A

D. All the above. Also, the RCS should allow non-WGS 84 positions to be displayed in the correct relationship either by changing the art GNSS receiver or the ECDIS itself.

47
Q

What is the reference from which all depths are measured? This is usually the lowest astronomical tide.
A. Depth datum.
B. Tidal datum
C. WGS 84.
D. Chart datum

A

D. Chart Datum

48
Q

True or false there are some departures from the rule of chart datum which use mean sea level

A

True

49
Q

When the chart display centerpoint is between usually through the 30° and 80° north, you can set the chart projection to __________.
A. Equidistant cylindrical
B. Polar stereographic North.
C. Polar stereographic south.
D. Either A or B.

A

D. Either A or B.

50
Q

Large scale charts, medium scale charts, and small scale charts are, which of the following.
A. General overview.
B. Approach/coastal.
C. Berthing/harbour.
D. Intercoastal

A

Large scale charts: C
Medium scale charts : B
Small scale charts : A

51
Q

The effect of zooming in and out on a chart alters the appearance because each individual object has an attribute known as ________ and _________.

A

Scale minimum SCAMIN and scale maximum SCAMAX

52
Q

Most objects will be visible at the largest scale available so the important attribute to understand is scale minimum which is when the object starts to disappear when _________.
A. Zooming in.
B. Zooming out.
C. Panning ahead
D. Panning behind

A

B. Zooming out.

53
Q

True or false and ECDIS shows the scale and which the chart is being displayed and whether it is under or over scale, but an ECS does not.

A

True

54
Q

It is important to be aware that if an ENC is displayed at too small scale, certain objects will not be shown due to their ________ value being greater than the scale in which the chart is being viewed.
A. SCAMIN
B. SCAMAX
C. Datum
D. None of the above.

A

A. SCAMIN

55
Q

The _____________ is the minimum scale at which an object is to be displayed.

A

SCAMIN

56
Q

What is the reason objects have SCAMIN?
A. So that they can be viewed even on small scale vector charts
B. So that they can be viewed even on large scale vector charts.
C. To avoid clutter when viewing a vector chart at a small scale
D. All of the above

A

C. To avoid clutter when viewing a vector chart at a small scale.

57
Q

ENC cells are currently split into six different scale categories name them

A
  1. Overview.
  2. General.
  3. Coastal.
  4. Approach.
  5. Harbour
  6. Berthing
58
Q

What is the best scale NC that should be used to replace harbor paper chart.

A

Scale five Harbour

59
Q

What is the ENC cell data source referred to as?

A

CATZOC category of zone of confidence of data

60
Q

What is the position accuracy of A1 ? A2 ? B? C? D?
A. +/- 20 m
B. +/- 5 m
C. +/- 50 m
D. +/- 500 m
E. Worst than ZOC C

A

A1: B
A2: A
B: C
C: D
D: E

61
Q

One of the categories in which catzoc zones are derived?

A
  1. Position accuracy.
  2. Depth accuracy.
  3. Seafloor coverage.
  4. Typical survey characteristics.
  5. Controlled, systematic surveys
  6. Modern survey echosounder.
62
Q

Where should the CATZOC table be posted?
A. Anywhere in the wheelhouse.
B. In the chart room.
C. On the bridge wings
D. Near the ECDIS

A

D. Near the ECDIS.

63
Q

This special publication does each of the following ensures a base and supplemental levels of display for ENC data, including standards of symbols, colors and their standardized assignment to features scale, imitations of data presentation and appropriate capability with paper chart symbols
Insures the display is clear and un ambiguous
Ensure that there is no uncertainly over the meaning of color or symbols on the display
Establishes an accepted pattern of ECS presentation that becomes familiar to mariners and so can you recognize instantly and without confusion

A

S-52

64
Q

Special publication is the transfer standard for digital hydrographic data

A

S-57

65
Q

This is the link between an SENC’s Gio reference objects and what the ECDIS uses to display a chart on the screen.

A

The presentation library

66
Q

These symbols are accepted under the S 52 presentation library.
A. Traditional.
B. Simplified.
C. Verified
D. A and B only

A

D. A and B only.

67
Q

While traditional symbols are familiar they can also be:
A. Difficult to see at daytime
B. Difficult to see at night.
C. Not color-coded.
D. B and C only.

A

D. B and C only.

68
Q

True or false the terms permit and license often referred to the same thing

A

True

69
Q

This is a code that is systems specific to operate an ECDIS installed or attached as a USB dongle
This is a code that is required to unlock the data cells installed in an ECDIS

A
  1. License.
  2. Permit.

Washington / SEAPA Pilots (6 decks)

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