Glossary terms
Z (Zulu)
As signal it means, 'I require a tug'. But when shown by a fishing vessel (which you will recognise by her lights or shapes), it means, 'I am shooting my nets'. In Morse code the signal is '--..' and in phonetic the word is Zulu.
Z-drive
Trade name of a particular brand of Stern drive.
Zenith
In navigation, the point in the celestial sphere which is directly above the observer - Le. the extension of a line joining yourself to the centre of the earth.
Zylon
See PBO rigging.
