It is dangerous for vessels without the operational radar（）the estuary.

The mean draft of a ship is the draft（）.

When steering by autopilot,how often should the steering be checked?（）

The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

In the Northern hemisphere northerly winds may cause temperature（）.

Berthing means bringing a vessel to her berth until（）.

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

Which of the following shall not the officers in charge of the navigational watch do?（）

Where would you find information about the time of high tide at a specific location on a particular day of the year?（）

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.