'Runway expansion would eliminate this.'
Is it the consensus that slot values at LHR will fall to zero with R3 in place?
Is it the consensus that enough taxiways and gates can be provided to balance with the additional runway capacity and eliminate 'normal' operating delays?
At the opening year of R3, how much will charges need to rise for cost recovery reasons? What's the commercial model look like?
Actually I agree with FDF or even go further--- entry at LHR by the likes of Easyjet is an essential part of the rationale. But there are questions...