Originally Posted by
Apate
"
There is NOT any CB labeled AFDS on any Bus that I can find."
You won't because HC was talking Bristow Scottish Puma speak, it's a very specific language that even the best AI tools will struggle to translate 
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The CBs you found "FLOAT PWR" are the ones that are associated with the Floatation System. The "Automatic Flotation Deployment System" is not an add-on, it is a fundamental part of the system design.
Yes fair enough. I am just examining why the floats weren’t deployed. After all, lots of pilots spend lots of time arming and disarming the floats in routine operations, but if when the **** hits the fan the floats don’t deploy, it is all a bit pointless.
The Bristow system had 4 float switches. It required any two to be activated, to fire the floats. This meant that one spurious activation wouldn’t fire the floats, and also that one or two switches that failed to activate when immersed wouldn’t prevent the floats from firing. This was a good design with inherent redundancy,
The 92 has 2 float switches, what is the logic? Do both float switches have to activate to fire the system? Or just one?
Anyway as I said, when a last resort emergency life-saving system failed to operate, it means that that system is badly designed and not worth installing. And in this case it probably cost a life.