These data (EPD, POD or DEX) were created from NIMA (DAFIF) database. These data are free following the conditions found in joined file copyright.txt.

These data are updated every 28 days from AIRAC data (Aeronautical Information Regulation and Control). We offer these updates as POD, EPD or DEX on Simvol/Fly site.

The Digital Aeronautical Flight Information File  (DAFIF®) is an unclassified flight information database incorporating U.S. Military-selected aeronautical data. For french data we added other data as COM or NAVAID you wil find in FRANCE_COMPLEMENT_DEX.zip on Simvol site.

Here is some Internet adresses about NIMA :

• NIMA (National Imagery and Mapping  Agency) 

• NIMA Aeronautical Safety Division

• NIMA DAFIF (Digital Aeronautical Flight Information File) 

Didier RIGAULT - ROTW

didier@simvol.org