Turning the cancelled BAe RJX into a military aircraft has always been an interesting option.
However no decision on a European MPA will be taken, however great the need.
They are more worried about contagion from Cyprus, and its possible exit from the Euro.
Although out of production. The A340-200 might fit the bill. It is in that large category the same as the A400M. Great range.
A340-200 aircraft: range, specifications | Airbus*| Airbus, a leading aircraft manufacturer
That Japanese aircraft looks interesting, is it photoshopped ? From the looks of it, the range and on station can't be that great.
A completely new airframe would be too expensive. Although would most likely be the best option.
How large should the aircraft be ?
Large enough to carry all the necessary bits. Have four engines, and a long loiter time on station. In flight refueling to extend its time on mission. Then that needs an onboard relief crew.
The Nimrod got most things right. Except for the people developing it. The Conservative Government started the programme for the MRA4 in 1992.
Somebody needed to get a grip !
This aircraft ticked most of the boxes in its day.
