Program logic bugs vs input/environmental errors

[Walter Bright via Digitalmars-d]

On 10/3/2014 11:00 AM, Piotrek wrote:
> http://en.wikipedia.org/wiki/Air_France_Flight_447
>
> I just pick some interesting statements (there are other factors described as
> well):

The overriding failure in that accident was the pilot panicked and persistently 
did the wrong thing, the opposite of what every pilot is relentlessly trained to do.