You're missing the big picture Mick, where do we order our flying donuts!
What happens to a jet engine that ingest wayward donuts? - a donut strike if you will. Is someone throwing donuts into jet engines to test all this?
Is an inflight donut strike a reportable matter? I can see the form now: "describe the type of donut that your aircraft encountered"
[ ] iced
[ ] jam
[ ] plain
[ ] sprinkles