In your timeline, change the editor setting to Graph Editor. This is a window where you can see all your animations as graphs. The horizontal lines represent the frames, with vertical values for properties. In this window, press the N key to open the sidebar containing all properties, as shown in the following screenshot:
If you can't see all the information in the Graph Editor window, press the Home key on your keyboard to adjust your zoom. You can also use the View menu with the View All option.
On the left, in the sidebar, you can see all three transformation channels for the plane. Click on the small eye button ...
