He covered up the land purchase. I know everyone thought that was a great thing, but he certainly didn't disclose that. I'm probably the only one, but I think the land thing is worse than the plane.
The land thing was a transaction between 2 private parties. Unless he can justify the trip(s) you have misuse of university property, and not just like borrowing the dept. pick up to move your stuff, and making sure it's filled up with gas when you bring it back.
In the past I have thought our university presidents have had the university's interests 1st. This one seems to make sure he gets an additional piece of the pie on top of his salary. It is troubling but I'm not a big enough donor to make a difference. It'll be the big money people who'll decide if he stays or goes.