1. 
   ECAC
   Aviation acronym: European Civil Aviation Conference
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   ECAC
   Electromagnetic Compatibility Analysis Centre
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   ECAC
   Electromagnetic Analysis Centre
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   ECAC
   European Civil Aviation Conference
   Found op http://www.aea.be/glossary/
   
   
5. 
   ecac
   1) Aviation european civil aviation conference
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ecac/1
   
   

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