1. 
   DAFIF
   abbreviation: Digital Aeronautical Flight Information File
   Found op http://www.apscharts.com/abbrev.html
   
   
2. 
   DAFIF
   DAFIF or the Digital Aeronautical Flight Information File is a complete and comprehensive database of up-to-date aeronautical data, including information on airports, airways, airspaces, navigation data and other facts relevant to flying in the entire world, managed by the National Geospatial-Intel...
   Found op http://en.wikipedia.org/wiki/DAFIF
   
   
3. 
   dafif
   1) Abbreviation
   Found op digital aeronautical flight information file
   
   

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