1. 
   DGCA
   Director-General of Civil Aviation.
   Found op http://www.aeroplanemonthly.com/glossary/
   
   
2. 
   DGCA
   [Computing] In computing, DGCA is a freeware compression utility created in 2001 by Tsuruta Shin`ichi. DGCA is also a compressed archive format, the next generation of `GCA`. DGCA has a better compression ratio than ZIP, stronger encryption and Unicode filenames. However, DGCA is not a major...
   Found op http://en.wikipedia.org/wiki/DGCA_(Computing)
   
   
3. 
   DGCA
   Directorate General of Civil Aviation (various countries)
   Found op http://www.aea.be/glossary/
   
   
4. 
   dgca
   1) Director-general of civil aviation
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/dgca/1
   
   

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