

Motorcycle:
16 to 18 fatal motorcycle accidents per million hours ridden
Personal flights:
21.1 fatal accidents per million flight hours
I’m really surprised at that.
Thinking about it though most bikers I know are young, have good reflexes and are mostly using a motorbike for commuting or travelling which is probably lower risk than the cliche teenage fool on a superbike my mind jumped to.
By contrast, the vast majority of light aircraft pilots I know are 60+, many 70+ with extensive health issues, heart problems and likely comparatively poor reflexes.
corporate aviation – the world of bizjets – is relatively safe. This sector only saw 0.48 fatal accidents per million flight hours from 2012 to 2021
General aviation overall:
9.5 fatal crashes per million flight hours
24.83 fatalities in 2019 and 25.95 in 2018 per 100 million miles ridden on motorcycle according to the source of the other article: https://crashstats.nhtsa.dot.gov/Api/Public/ViewPublication/812979.pdf
If we take the value for personal flights:
I’m going to assume 125 mph as I’m skeptical of your 145 mph figure.
= 21.1 fatal per 125 million miles
= 16.88 fatal per 100 million miles of personal flights
I’d basically conclude that personal flights and motorbike are in the same ballpark whether you’re looking at hours or miles.