That's not true at all. A good example of this would be the requirement that under a blade out condition on an engine it remains contained. They even test this

That's not true at all. A good example of this would be the requirement that under a blade out condition on an engine it remains contained. They even test this About that… https://en.wikipedia.org/wiki/Southwest_Airlines_Flight_1380 https://en.wikipedia.org/wiki/Southwest_Airlines_Flight_1380