Guybrush Threepwood wrote:

...there I have some doubts on the DOCs and it is not certified to transport
passengers, which is alot of work....
The transformation from B747 to dreamlifter was by EVA Air, Thaiwan.

Yuupers.... And while it's making all those long range intercontinental
trips carrying parts it will certainly be in a good position to act as
a proof of concept design for a double decker.