Farsouth - thanks. So I wonder if there are any category A devices out there, and what form they might take. Of course, if you make the passengers wear their re breathers throughout the flight, so just needing to pop the valve, that would probably make them Cat A!
SAS, I have no interest in increased revenues since I had to sell all my shares when I retired. I only have an altruistic interest.
You're right about the stats, but in this neck of the woods the emphasis seems to be on how often they fall into the water, rather than the body count (in other words, the Sumburgh L2 carried the same "weight" as the gearbox failure L2, at least as far as public opinion goes)