European aviation chiefs FORCE British Airways to carry an extra person in the cockpit | Daily Mail Online
It's how we have done it in the states for a long time. Is it actually better (or less safe as the folks in the article maintain)?
Nobody really knows because it all depends on the circumstances. Those circumstances are so rare that there is no reliable data. It's risk managing gone wonky as a reaction to illogical fears as exacerbated by the media.