The company should establish and maintain procedures to control all documents and date which are relevant to（）.

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

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

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

（）is where the crew eat their meals.

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

The ISM code is part of（）.

ECDIS must be able to perform all of the following EXCEPT（）.

The circulation around a low pressure center in the Northern Hemisphere is（）.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.