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Thread: Complete Beginner Please HELP!!!
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Old Jan 6, 2014 | 3:45 pm
  #24  
KennyBSAT
 
Join Date: Feb 2013
Location: San Antonio
Programs: AS MVP
Posts: 2,276
Click glossary at the bottom of the page. BIS miles = Butt in seat miles. Miles actually flown on paid tickets.
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