Drag and drop to match the following abbreviations with their meanings.

Can AIS display every vessel in the area on my chart plotter screen? Select the correct answer.

There is only one Global Navigation Satellite System.

An HDOP number on a chart plotter display shows the unit’s current accuracy. True or False?

Your Echo Sounder has stopped working and is just showing three lines. What is probably the problem?

In a separate browser tab, navigate to https://www.rya-enavigation.org/ At the top of the page, select Tidal Heights.

Using the Tidal Height app displayed, what is the height of tide at 1300 on 3rd May at Port Fraser? Fill in the blank.

In a separate browser tab, navigate to https://www.rya-enavigation.org/ At the top of the page, select Tidal Heights.

Using the Tidal Height app displayed, what is the height of tide at 1130 on 12th June at Bramhope Creek? Fill in the blank.

In a separate browser tab, navigate to https://www.rya-enavigation.org/ At the top of the page, select Tidal Streams.

Using the Tidal Stream app displayed, what is the rate of the tide at 1200 on 10th July to the west of Roselle Cove? Fill in the blank.

In a separate browser tab, navigate to https://www.rya-enavigation.org/ At the top of the page, select Tidal Streams.

Using the Tidal Stream app displayed, what is the direction of the tidal stream  at 1200 on 10th July to the west of Roselle Cove? Select an answer.

Do you agree with the following statement: It is quite safe to navigate only using my chart plotter.