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e767pmk@yahoo.co.uk
Date: Thu, 16 May 2019 22:12:37 +0100

RISKS-31.21-23 have had several posts on this item:

My knowledge of modern passenger aircraft design and operation is negligible, along with the relationships between manufacturers and airlines, but obviously there's an enormously-complicated combination of systems interacting here. Topics like these are not well covered by mainstream media, so it's useful to have informed debates in forums like RISKS.
Investigations are still ongoing as I write.

Personally, I find it NOT useful to have soap opera-style name-calling, intentionally avoiding scientific rigour to maximise emotional impact.
Total safety is pretty easy to achieve, it just needs infinite quantities of time, money, and resources. In real life these are all restricted, so compromises are necessary. A good design isn't one which is almost perfect but never gets made because it's too expensive, it's one which makes the best trade-offs between conflicting demands, which in turn require value judgments, which is one reason why we have agreed safety standards. The safety of aircraft can always be improved by spending more money, but the planes have to be low-cost enough for airlines to afford to buy or lease them, and the tickets affordable for passengers, and air-related businesses have to make money or they go bust. It's easy to be wise with hindsight.


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