FlyerTalk Forums - View Single Post - Magnetic Strip on back of MP Card
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Old Jan 25, 2001 | 4:41 pm
  #4  
auh2o
In Memoriam, Original Member
 
Join Date: May 1998
Location: Los Angeles, CA
Posts: 6,879
They can be used to insert into the automatic E-ticket machines for your boarding pass and also let you into 1K rooms as sometimes the doors are locked and you need to buzz in or use your card.
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