Create planes (on a curve) that are perpendicular to xy plane

So I have a Curve in 3D. I created planes on it and the planes are perpendicular to the curve. BUT I want them to be perpendicular to the xy plane and not the curve. How do I do it?

Here’s how I want it to be

You mean like this? (16.3 KB)

Hello - I guess I’d make a plane in the XY plane and copy it to the locations on the curve that you want.
Otherwise, please post a file with the curve and a plane.