Even validating data it can still be wrong :)

http://www.theregister.co.uk/2016/09/07/air_asia_x_navigation_system_typo_melbourne_malaysia/ The main thing that is obvious from the report is that there was a software patch due to be installed, but while the old software knew there was a problem it was not producing sensible warnings. Perhaps this is a case where 'fatal exception' should have shut things down before the plane took off? -- Lester Caine - G8HFL ----------------------------- Contact - http://lsces.co.uk/wiki/?page=contact L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - http://enquirysolve.com/ Model Engineers Digital Workshop - http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk