RE: Night vision
We have two red lights in the pilothouse, on a separate circuit from the main overhead lights, but never use them. Pioneer was a fishing vessel and these lights were required for survey.
The lights from the instruments are more than enough. In fact I turn the engine panel lights off when running at night, and have a small torch to check the gauges occasionally.
In our experience, it's more important to ensure your plotter, sounder etc. can be dimmed enough. Our PC-based GPS plotter program (Fugawi) has dusk and night settings which are ideal. The previous program didn't and we had to rely on dimming the monitor, which wasn't satisfactory. The radar and sounder are both Furuno and can be dimmed to the right level for night running.
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