NAVAIDS

First for Frigg – a Rigwatcher change-out

There can be few Aids to Navigation (AtoN) as remotely located as the three Rigwatcher units marking the decommissioned Frigg Field on the UK/Norwegian median in the North Sea.

The AtoN had to be lowered onto a 2m steel pillar mounted onto a 20m tower in the sea, which was not visible to the pilots.

There can be few Aids to Navigation (AtoN) as remotely located as the three Rigwatcher units marking the decommissioned Frigg Field on the UK/Norwegian median in the North Sea.

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