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

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

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

（）is where the crew eat their meals.

Fog is likely to occur when there is little difference between the dew point and the（）.

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

Manoeuvring information can not be obtained from（）.

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

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

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