In article ine.com,
Andrew Gideon wrote:

Going through the archive of this group, I see several posts about
aerobatics at Sussex. One mentions a place called Airbatix, while others
mention instructors by name.

But these posts weren't recent.

On the other hand, the Sussex web site does list a phone number for
"Aerobatic Instruction"...

http://216.86.49.175/fltschool.asp

A little Google goes a long way :-)