DoctorEvil
·Like spin training or engine out simulation for twins [*]. It seems to be a knife-edge whether the risk from training causes more harm than the problem that is being trained for actually happening.
[*] E.E. Canberra for example. {{Not that I've flown one; did sit in an armed bang-seat of a Canberra once with admonition not to touch anything.}} {{{Pins in of course.}}}