ENCs - Production, Mantainance And Distribution Guidance

Question 1

What does S-65 stand for in the context of Electronic navigational charts?

Answer 1

Special Publication 65

Question 2

What organization is responsible for the publication of Electronic navigational charts?

Answer 2

International Hydrographic Organization (IHO)

Question 3

What is the purpose of Electronic navigational charts?

Answer 3

To provide essential information for safe navigation of ships

Question 4

True or False: Electronic navigational charts are digital versions of paper charts.

Answer 4

True

Question 5

What kind of information can be found on Electronic navigational charts?

Answer 5

Depth contours, buoys, lighthouses, navigational aids, etc.

Question 6

What is the advantage of using Electronic navigational charts over paper charts?

Answer 6

Dynamic updating and easy customization

Question 7

What is the minimum scale of Electronic navigational charts according to S-65?

Answer 7

1:10,000

Question 8

What type of data is used to create Electronic navigational charts?

Answer 8

Hydrographic survey data

Question 9

What is the purpose of the ENC Validation Scheme?

Answer 9

To ensure the quality and consistency of Electronic navigational charts

Question 10

What is the primary source of data for Electronic navigational charts?

Answer 10

National Hydrographic Offices (HOs)

Question 11

What is the purpose of Electronic navigational charts according to the IHO?

Answer 11

To provide worldwide coverage of high quality nautical charts

Question 12

What is the difference between Electronic navigational charts and Raster navigational charts?

Answer 12

ENCs are vector-based while RNCs are image-based

Question 13

What is the significance of the S-57 standard in Electronic navigational charts?

Answer 13

It defines the format for ENC data

Question 14

What is the primary advantage of using Electronic navigational charts for navigation?

Answer 14

Real-time updating of information

Question 15

What is the purpose of the IHO Data Protection Scheme for Electronic navigational charts?

Answer 15

To ensure the confidentiality and integrity of data

Question 16

What is the minimum accuracy requirement for Electronic navigational charts according to S-65?

Answer 16

Within 2 meters

Question 17

What is the significance of the S-63 standard in Electronic navigational charts?

Answer 17

It defines the encryption and security requirements for ENC data

Question 18

What is the purpose of the IHO ENC Product Specification?

Answer 18

To define the content and structure of Electronic navigational charts

Question 19

What is the role of the IHO in maintaining Electronic navigational charts?

Answer 19

To coordinate the development and maintenance of ENC standards

Question 20

What is the purpose of the IHO S-100 framework for Electronic navigational charts?

Answer 20

To provide a harmonized framework for the development and maintenance of ENC products

Question 21

What is the significance of the S-52 standard in Electronic navigational charts?

Answer 21

It defines the display of Electronic navigational charts on ECDIS

Question 22

What is the purpose of the IHO Universal Hydrographic Data Model (IHO S-100) for Electronic navigational charts?

Answer 22

To provide a common framework for the development and maintenance of all hydrographic data

Question 23

What is the purpose of the IHO Geospatial Regulation for Electronic navigational charts?

Answer 23

To ensure that geospatial data used in Electronic navigational charts meets international standards

Question 24

What is the significance of the S-57 standard in Electronic navigational charts?

Answer 24

It defines the exchange format for ENC data