navigation 2

The duration of the light and darkness are equal.

The duration of the light and darkness are equal.

In region B when the entering from seaward, a buoy that should be left to port well be:

a special mark, if lighted, may exhibit which light rhythm?

In region when entering from seaward, a buoy that should be left to port will be?

Buoy which marks dredging areas are painting?

A lighted buoy to be left to starboard, when entering US port from seaward shall have a?

What is the top mark of a cardinal mark?

A MID CHANNEL BUOY, IF LIGHTEN, WILL SHOW A?

What is the top mark of an isolated danger mark?