Lateral movement of the vessel to leeward of its course defines （）.

For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.

Areas enclosed by a long and short dashed magenta line indicate （）.

The Earth has the shape of a(n) （）.

An occulting light is one in which （）.

At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.

Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.

The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.

In Admiralty Sailing Directions，bands is the word used to indicate（）marking．

A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.