Coastguard : Search Patterns : Beam Sighting Distance Calculator
A part of the Search Pattern Planner, this can be used to verify that the Beam Sighting Distance tables have been used correctly.
It is quick, simple, and error free to select the correct data and compare it to the results of using the tables.
This is a 'frequent failure point' that often goes unnoticed as it is tedious to check manually in real-time.
