You want lights on bridge/in wheelhouse to be off or dimmed when it is dark. Seems some decklights and light around accomodation was on.

Snip from #TV2Østjylland

Don't rule out the Norwegians too. They sank a frigate after it collided with a tanker it failed to see as they believed it's decklights were part of a land based installation.
Quite HOW they then collided with that they thought was on land beats me. en.wikipedia.org/wiki/HNoMS_H...

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