EFIS?
Posted: Sun Apr 13, 2003 8:25 amWhat do the letters stand for? 
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EFIS?
https://forums.simviation.com/phpBB3/viewtopic.php?f=30&t=87350
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Posted: Sun Apr 13, 2003 8:25 amRe: EFIS?
Posted: Sun Apr 13, 2003 8:33 amElectronic Flight Instrument System
Re: EFIS?
Posted: Mon Apr 14, 2003 9:39 amElectronic Flight Instrument System
...is that enough or do you want to know what it does (in FS)?