Hi Clive,
I cant find anything on it at my end either, guess it wants to remain anonymous.
One for you to look out for is 5N-BQP B733 of Discovery Air formerly G-TOYK which is due to enter service if it hasnt already done so.
Your Avanti, 33FE3A MM62286 c/n 1163 Piaggio P-180 Avanti I ,Italy - Air Force
Alan