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It’s taken eight years of hard work, but KLM and Heineken have figured out how to serve beer from the tap on an airplane. Starting next month, you’ll be able to purchase a draft Heineken on select flights with the Dutch airline.
To solve this problem, Heineken determined that it should leave out a cooling system within the keg cart. The small kegs will be cooled offsite and then delivered chilled to the plane. Heineken claims that its solution has allowed KLM to serve the exact same beer in the air as you can expect to find on the ground.
KLM isn’t the first airline to attempt serving beer from a tap on board an aircraft. Several years ago, ANA offered draft beer on select flights, but ended up eliminating the service.
Source: thepointsguy.com