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

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

Manoeuvring information can not be obtained from（）.

（）is on the panel of radar.

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

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

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

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

The ISM code is part of（）.

What is a CORRECT reply to a pilot’s request, How’s your heading?（）