Steven P. McNicoll wrote:

It's for the Copter RNAV approach to Stottle Memorial. The FAF, CASLA,
is at the center of the mystery airspace.

Thanks Steve. I knew someone would know. I guess I never looked
at a copter approach before. There's no "flying past the airport"
on the missed it's a backup and try again type thing which accounts
for it's "off centered" appearance.