Porco's plane is named after the Savoia S.21, but is based on the Macchi M.33.[12] While in Piccolo's engine shop, the engine to be used in Porco's rebuilt Savoia S.21 also has the word "Ghibli" visible on its rocker covers--in design it is a narrow-angle V-12 engine, similar in form to racing engines of the period. --ar 16:9