[willy WOXOF]

"instructor pilot, the only other person on board, was concentrating on a steep turning maneuver"

must not have been very coordinated turns..

note ..more training in steep-turns needed.

[wingtip]

That airport is at 152 ft. elevation. Can two men climb to 9000 ft. in 45 min in a 152? And why so high unless practicing aerobatics. Perhaps a hammerhead.