Deck: General Navigation

1. A Maury Lightship swings about her anchor on a circle with a 21-meter diameter.
2. B There is a 12-meter deep hole inside the 5-meter curve just west of Beito Island.
3. C The position of the lightship is indicated by the center of the star on the symbol's mast.
4. D The sunken wreck southwest of Beito Island shows the hull or superstructure above the sounding datum.

Tip: press A-D to answer