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Search: Posts Made By: peekay4
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Forum: Rumours & News
26th Oct 2015, 16:10
Replies: 71
Views: 56,288
Posted By peekay4

There is an overarching software design &...

There is an overarching software design & architecture requirement that any "catastrophic failure" -- a failure resulting in the loss of the airplane and deaths of its occupants -- must be "extremely...
Forum: Rumours & News
26th Oct 2015, 03:36
Replies: 71
Views: 56,288
Posted By peekay4

Yea, although that might be indicative of...

Yea, although that might be indicative of something more than just a requirements error -- pointing to a larger process breakdown.

Typically there are high level requirements, specific system /...
Forum: Rumours & News
25th Oct 2015, 22:11
Replies: 71
Views: 56,288
Posted By peekay4

Welcome to reality!!!! For example, if you...

Welcome to reality!!!!

For example, if you look at the avionics software standard (RCTA DO-178C), even at the most stringent "Level A" (where a system failure would be catastrophic == complete...
Forum: Rumours & News
25th Oct 2015, 20:59
Replies: 71
Views: 56,288
Posted By peekay4

Those pilots were effectively performing...

Those pilots were effectively performing verification, not validation. They were testing whether or not their aircraft performed to specs, not whether the specs were correct.

NASA did many...
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