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Thread: Why does the galley light dim when the cockpit door is open?
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Old Oct 30, 2008 | 7:11 pm
  #8  
Radioman
 
Join Date: Oct 2004
Location: Glasgow, UK
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Originally Posted by tom139
Hi everyone.

Just a question out of pure interest...why does the forward galley light dim when the cockpit door is open? I suspect there must be a particular reason for this as it seems pretty consistent across all aircraft/airlines. Isn't this just drawing attention to passengers that the cockpit door is open?

tom139
Hi tom139,

The main reason is the pilots night vision. You will find that a lot of the instruments will either be a red, orange or green colour (display or light around them).

If a door is suddenly opened and you get a bright light, it can take a good few seconds for your eyes to readjust.

This sort of thing is also on ships and submarines in order to preserve their night vision as well.

Click HERE for some information on night vision.

regards
J
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