by Dr Ken Trethewey
Index
Introduction:
The Increasing Need for Precise Language
Navigational Aids
Beacons
What is a lighthouse?
Definition of a Lighthouse
Lightstructures
International Designations
Other Buildings as
Navigational Aids
Daymarks
Floating, Moored and Lit Navigational Aids
Floating, Moored and Unlit Navigational Aids
Summary
Conclusions
and Acknowledgements
References
Table 1: Example list of descriptions of
lightstructures.
Table 2: Summary of Definitions Proposed for a
Knowledge Structure for a Database of Lighthouse Information.
Figure 1: A schematic diagram showing a logical
structure for terms applied to navigation.
© 2003 Ken Trethewey