Hey Hey! Bravo Majeko, at last after 5 years, this one has finally landed. Well done, and 2 very well deserved points to you.
I am amazed this puzzle lasted for 5 years, as information about this aircraft, and its Mini connection, can be found on a number of websites and Mini books. Basically the aircraft's passengers sat in the Mini, which was loaded into the Prospect through the opening rear end.
Well done again - and thanks for the extra photo Tom I, which saves me now having to post the same image. I now have just 40 other Black Hole puzzles to be solved. Good luck!:D