This makes financial sense, and will ensure our country can be properly, and securely, represented at the increasing number of international forums.
I don't think it will cost much more than the exorbitant fees charged at last minute for charters, and will have many peripheral benefits.
I hope they go with a similar livery to that used by the Queen's Flight:
It's an aberration that we are the only one of the G20 countries without an official longhaul aircraft.