It was actually 43 kills in ~60 minutes, which consisted of a 17 kill sortie, a 16 kill sortie, and two 5 kill sorties, all back-to-back.
For the "16 kills in 9 minutes" sortie and the sortie immediately after it, see here (it was actually a 17 minute sortie):
[Link for mobile users:
https://www.youtube.com/watch?v=Uv6FfzclUFY]
I just uploaded the video, so it might take a few minutes for it to finish rendering.
Good flying, all. Had a blast tonight!
-=S=-