“The Do 31 established several FAI (Féderation Aeronautique Internationale) world records during its ferry flight to the 1969 Paris Air Show. It was the first, and so far only, vertical take-off jet transport ever built.”
en.wikipedia.org/wiki/Dornier_Do_31
That is one ugly bird
The front of it looks like something from Flash Gordon. FLASH! AAH-AAAAHHH!!!! (a la Queen)