Image from Boston.com
The chances of you being involved in an air accident are about 1 in 11 million plane journeys. So this guy must be considered to be one of the unluckiest (or luckiest) people on the planet. Two aircraft accidents in just over a week, a probability factor of 121 trillion to one..
“Last Thursday De Knecht was on his way from Istanbul to north Iraq for his work when the plane he was on hit a lamp post while taxi-ing to the runway and had to be evacuated. And now he has been left with four broken ribs and a head wound after this week’s crash near Schiphol.”
From DutchNews.nl
Passive Impressions 
Standard Discworld possibilities or… the more unlikely an event is, the more likely it will occur…
However, P’Terry has a more eloquent way of putting it which I of course can’t remember.
Wow! If I was him I’d be steering clear of all air travel for a long, long time- these things happen in three you know 😉