FlyerTalk Forums - View Single Post - What are the two blinking green lights next to a flight on departure boards?
Old Dec 13, 2012 | 1:45 pm
  #18  
milepig
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From this page:

http://www.gettingaroundgermany.info/fliegen.shtml

If the green lights next to your flight are flashing, it usually means that they have started boarding the flight.
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