The apparent wind’s speed can be zero, but only when two conditions are present. Onecondition is that the ture wind ______.

The bank in the vicinity on Cambodia Pt. and Pt. Obi ______ considerably seaward.

The basic collision avoidance display presented by CASII is designed for easy interpretation and ______ of possible collision threat situations.

The bearing of a position shall, according to the SMCP, be in the 360 degrees notation from true north and shall be that of the position ______ the mark.

The Authority reserves the right not to accept ______ for pilots by vessels in anchorages if the vessels have not reported their anchored position.

The arrangement of charts in the catalogue is______．

The approval period for a shipboard Oil Pollution Emergency Plan expires after ______.

The area of strong westerly winds occurring between 40°S and 60°S latitude is called the _________.

The ARPA may swap targets when automatically tracking if two targets ______.

The appearance of nimbostratus clouds in the immediate vicinity of a ship at sea would beaccompanied by which of the following conditions?______.

The approach to the roads and harbor from the______entails no difficulty．