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

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

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

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

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

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

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

The ISM code is part of（）.

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

Which of the following is not an operation mode of AIS?（）