Podcast
Questions and Answers
What horizontal datum is the foundation for both ENC charts and GPS coordinates?
What horizontal datum is the foundation for both ENC charts and GPS coordinates?
- NAD-74
- WGS-84 (correct)
- WGS-72
- ED-50
According to IMO performance standards for ECDIS, which of the following is a requirement?
According to IMO performance standards for ECDIS, which of the following is a requirement?
- Use the same alarms as paper charts.
- Continuously plot the ship's position.
- Permit the navigator to carry out route planning and monitoring. (correct)
- Provide presentations in the colors used for paper charts.
Which statement best describes a System Electronic Navigational Chart?
Which statement best describes a System Electronic Navigational Chart?
- A database from RENC used to publish updates to ENCs.
- A database, in the manufacturer’s internal format, containing ENC information and updates. (correct)
- A database of data derived from WEND.
- A database containing mariner's manual updates to an ENC.
Which organisation sets the performance standards for ECDIS?
Which organisation sets the performance standards for ECDIS?
What is the primary function of ECDIS?
What is the primary function of ECDIS?
Flashcards
What is the horizontal datum used by ENCs and GPS coordinates?
What is the horizontal datum used by ENCs and GPS coordinates?
WGS-84 (World Geodetic System 1984) is the standard horizontal datum used by GPS for determining positions on Earth. It is a reference system that defines the shape and size of the Earth and the relationship between latitude, longitude, and height.
What is a mandatory requirement for ECDIS systems according to the IMO performance standards?
What is a mandatory requirement for ECDIS systems according to the IMO performance standards?
A system that meets the IMO performance standards must continuously plot the ship's position on the display. This ensures the mariner is aware of the vessel's real-time location.
How is an ECDIS best defined?
How is an ECDIS best defined?
An ECDIS is not merely a database of information but a sophisticated system that combines and manages data from various sources. It processes ENC content and updates, allowing navigation and route planning.
Which organization sets the performance standards for ECDIS systems?
Which organization sets the performance standards for ECDIS systems?
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Which organization sets the standards for Electronic Navigational Charts (ENCs)?
Which organization sets the standards for Electronic Navigational Charts (ENCs)?
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Study Notes
ENC Charts and GPS Coordinates
- ENC charts and GPS coordinates are based on the WGS-84 datum.
IMO ECDIS Performance Standard
- Continuously plotting the ship's position is a requirement.
- Providing the presentation in the same colors as paper charts is NOT a requirement.
- Displaying alarms related to system and A inputs performance is a requirement.
- Allowing route planning and monitoring is a requirement.
Definition of Electronic Navigational Chart (ENC)
- An ENC is a database containing information from an ENC content and updates, in the manufacturer's internal ECDIS format.
ECDIS Performance Standard Setting Organization
- The International Maritime Organization (IMO) sets the performance standards for ECDIS.
Electronic Navigational Chart (ENC) Standard Setting Organization
- The International Hydrographic Organization (IHO) sets the standards for ENCs.
Primary Function of ECDIS
- The primary function of ECDIS is to contribute to safe navigation.
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