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| Sorry to be a pedant but BER already exists. It is the 3 letter code for the metropolitan Berlin area.
We won’t know, until it opens, what the IATA or ICAO codes will be. | |
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We know that the airports 3 letter code will be BER. Why? First, because you could book flights to the BER airport. Second, because you can look it up on the IATA website
https://www.iata.org/publications/pa...de-search.aspx
But you are partially right. BER is also the 3 letter code for the corresponding metropolitan area. A similar situation exists with LAX and also with ATL