Performance Indicators

The availability of our Aids to Navigation (AtoN) against the minimum performance standards recommended by the International Association of Lighthouse Authorities (IALA) is the principal measure of our efficiency.

We are pleased to report that in 2002/03 all categories of AtoN exceeded the requirements set by IALA.

Category 1 Aids to Navigation - IALA Target 99.8%

Graph - Category 1  Aids to Navigation - IALA Target  99.8%

Category 2 Aids to Navigation - IALA Target 99.0%

Graph - Category 2 Aids to Navigation - IALA Target  99.0%

Category 3 Aids to Navigation - IALA Target 97.0%

Graph - Category 3 Aids to Navigation - IALA Target 97.0%
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