Originally posted by Kevin B123 You have got to take pictures, it's the law
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I would take the 20mm, set aperture to f11, infinity focus and just fire away.
What he said.
The 31 is too narrow and the 14 is too wide. So do as Goldilocks would and take the 20.
Select Av mode and trust the camera to get it right. I would not try and be clever with manual exposure. There will be too many distractions from the ride. Also, leave it on manual focus, the camera might try to focus on the cockpit in front of you.
Enjoy the ride!