Deck : General Navigation - 143/2138
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| In the North Sea area, you sight a buoy showing a quick white light with 6 flashes, followed by one long flash at 15 second intervals. Which of the four topmarks shown in illustration D030NG below would be fitted to this buoy? |
| A) A |
| B) B |
| C) C |
| D) D |
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Illustration D030NG
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