NAV 6-LEC (Prelim Quiz #3)

How can the failure to adhere to ECDIS presentation rules affect the display?

• It can cause incorrect or misleading information on the display.
• It can enhance the clarity of the display.
• It will have no impact on the display.
• It can improve the accuracy of navigation data.

Why is verifying the data displayed on ECDIS with other navigation tools important?

• To ensure that the ECDIS is functioning properly and free from technical errors

• To provide additional information not available on the ECDIS, such as local knowledge or environment conditions

• To avoid relying solely on electronic navigation, maintaining traditional navigation skills and knowledge

• To confirm the accuracy of the data displayed on the ECDIS, reducing the risk of navigational errors and ensuring safe passage

How might over-reliance on ECDIS affect navigation safety?

• It eliminates the need for traditional navigation methods entirely.
• It enhances navigation safety by providing real-time data.
• It can compromise navigation safety by fostering complacency and reducing situational awareness.
• It guarantees accurate positioning at all times.

How can improper training on ECDIS usage impact maritime safety?

• It can lead to improved navigation skills among crew members.

• It may result in misinterpretation of navigation data and increased risk of accidents.

• It has no significant impact on overall safety.

• It enhances the crew's ability to use traditional navigation methods.

How can the user customize the information displayed on an ECDIS chart?

• By adjusting chart settings and selecting specific display layers.
• By relying solely on verbal instructions from the crew.
• By turning off all display features completely.
• By using a physical map instead of the ECDIS chart.

Why is the "Full Display" option in ECDIS not always recommended during regular navigation?

• It simplifies the display by hiding important details

• It can cause information overload and distract from critical navigation data.

• It automatically updates the chart without user input

• It simplifies the navigation process by removing unnecessary details

How does the "Standard Display" differ from the "Full Display" in ECDIS?

• The 'Standard Display' provides a 3D view, while the 'Full Display' offers a 2D view.
• The 'Standard Display' includes all data layers, while the 'Full Display' shows only essential navigation data.
• The 'Standard Display' shows essential navigation data, whereas the 'Full Display' includes all available data layers for detailed navigation.
• The 'Standard Display' is used for radar navigation, whereas the 'Full Display' is for electronic charts.

How is the accuracy of chart data indicated in ECDIS?

• The accuracy is indicated by the chart scale.
• The accuracy is determined by the color of the chart.
• The accuracy is shown through the date of the last update.
• The accuracy of chart data is indicated by the CATZOC (Category of Zone of Confidence).

Why might data accuracy in ECDIS vary depending on the location?

• All locations have the same source data quality.
• Data accuracy in ECDIS varies by location due to differences in source data quality, update frequency, and survey coverage.
• Data accuracy is the same everywhere in ECDIS.
• Survey coverage does not affect data accuracy in ECDIS.

How can mariners ensure the highest level of data accuracy in ECDIS?

• By relying on the full display option for more details

• By regularly updating ENC data and using multiple sources

• By adjusting the zoom level to show critical information

• By using raster charts for all navigation tasks