WCollins
A point well made.
I once had a couple of spark plugs fail in a light single climbing out of Southend on a night sortie.
Not even an engine 'failure' as such, but it altered the way I thought about night flying, due to the realisation that it could happen to me.
Slim Slag
A litte question for you to ponder about your NASA survey.
How many SEPs can manage 6 hour sectors with legal reserves?