The Nautical Institute Queeensland Branch presentations

 

Committee

Concentric Indexing - a straight forward approach to controlled turns
by Captain Paul Chapman
       
Radar presentation Use of stabilised electronic bearing line

Procedure for performing a planned turn

North up presentation
Planning considerations Conclusion
Error sources and limitations Resources
Adapting the technique to the radar available
       

A key to the safe conduct of large vessels in confined waters is the control of turns, bringing vessels accurately from one track to the next.

A simple radar technique provides for controlled turns without complex planning or the need for sophisticated movement sensors and instrumentation.
       
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