Still can’t find a single airport that they run but I did find this
https://carlyle.aero
They are hard nosed money lenders who have loaned money to Southend’s owners and now they want their money back.
Carlyle Aviation Partners (Carlyle Aviation) has recently closed a $280 million pre-delivery payment (PDP) financing facility for Wizz Air. The PDP facility will partially finance Wizz Air’s PDP payment obligations in respect of several A321neo aircraft scheduled to deliver during 2023 and 2024