- P166 Portofino.
- gull wing pusher because flying boat.
- turned first into an amphibian, then into a landplane without rethinking.
- pusher engines, tail and canard.
- two mistakes in one airplane, both due to unscientific, wishful thinking.
- assumed lower trim drag for canard airplanes.
- assumed better efficiency of pusher propellers.
I live near an airport where one of these is based. If I hear a nasty siren coming fron a speck in the sky, I know it is the Avanti passing overhead.