Navigation A — Coastal — question 11

1. Where on the chart can you find the variation? The variation is printed along an arrow in the compass roses marked on the chart.
2. From what level are heights on the chart measured? Heights are measured from mean sea level.
3. What does the symbol at position 31°49'N 034°33.8'E mean? A wreck at an unknown depth, dangerous to vessels.
4. In Haifa Bay lies FROGS ISLAND, which is coloured green on the chart. Explain the meaning of the green colour. The green colour shows that the island is covered at high water and uncovered at low water.

The question is solved on chart 1000. On the site it comes with the relevant sections of the chart.