This is why I do not exit (nor allow other's to exit) the plane with the prop turning (even in planes other than my Navion, where it is illegal). I was just having this discussion with other Navion owners the other day.
https://www.abcactionnews.com/news/...medium=website&utm_content=link&ICID=ref_fark
https://www.abcactionnews.com/news/...medium=website&utm_content=link&ICID=ref_fark