
1) Phantom vehicle
Found on
https://www.crosswordclues.com/clue/pippo
[airplane] Pippo was a mythical plane, unique to Northern Italy, that flew during World War II. An example of oral history, Pippo is not well documented even in Italy. Pippo had a distinctive buzz, was rarely if ever seen and flew mainly at night. If people were faithful to the Fascists, they considered it an Allied plane. If people were su...
Found on
http://en.wikipedia.org/wiki/Pippo_(airplane)
No exact match found.