A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.

The Lists of Meteorological Observation Stations can be found in（）.

The Coast Radio Stations are found in（）.

A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.

A person who sees someone fall overboard should（）.

Mean high water is the average height of（）.

What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.

Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.

The daily predictions of the times and heights of high and low water for a selection of Standard Ports are given in（）.

The international number，location and/or name，geographical co-ordinates，characteristics and intensity，elevation in metres，range in sea miles and description of structure of a light can be found in（）.