I don't think there's too much rumour there; it's all pretty open. PW 210 engines and Thales Top Deck Cockpit.
I would say that for passengers, in it's class the 155 wins hands down (possibly alongside the 139). More leg room, bigger and airier cabin, bigger windows, lower noise levels and very very smooth.
I'm curious about Brian's comments about never doing c of g calculations; we always did in the A+/++. If you were taking pax it was easy to go out the front end, if you were empty with lots of fuel it was easy to go out the back. In fact we couldn't take full fuel and a single pilot without taking ballast.
Shy Torque said: "Sikorsky have resorted back to "round gauge" displays, albeit computer generated ones on an IIDS screen, for the S-92.
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Don't even get me started on that; guaranteed 'light the blue touch paper' stuff