I can't see Bristow holding on to houses they don't need in the immediate future - that's called medium/long term planning and neither company do that, it's a sin.
Well they are.... so we can only pray for their souls!
Incidentally 150 questions have been submitted to CHC by the CG UK SAR units about the transition and the 3 month timescale to introduce a new untested type to SAR. So we'll see whether your experience with CHC managers hangs true.