Interesting connections which can be verified. But earlier Mark McKay stated that the plane was not owned by himself or any member of his family. Who is telling the truth - or is the family so rich one member doesn't know what another owns
As was mentioned earlier, it seems this was someone doing someone else a 'favour' with the non-aviating participants not having a clue about flying cross-country, internationally or in difficult weather. A perfect storm of ignorance, self-confidence and an aged aircraft.