I stopped and shot a short video as he passed overhead.
It was a bit lower than I anticipated so I framed mostly shaky bits of wing and wheel.
I lifted this one from the clip - I guess if you knew the engine RPM you could work out how fast he was going, from the contrail spacing!
![Image](https://i.postimg.cc/2SjG2WyW/C130-2203-07-18-Crop-Prop-Condensate.jpg)