...nothing alters the fact that under the terms of the SDSR it is due to go in 2015....
If it can fly for 12 hrs ish at 50,000ft ish, what were all the horror stories I heard, about the issues with minimizing weight of various on board items, from a Sentinel pilot a while ago - or was he just trying to wind me up (I don't see why he would be doing that, as I have no real interest in the aircraft...)