Please clarify !
They are an established Manchester carrier of many years and any incentives may well be illegal.
Much more likely BHX operators offered introductory deals which Airblue have now reneged on !
As for Biman as they have yet to receive the necessary US certifications this route remains in the air as well.
They also have a decidedly doggy record of opening and rapidly pulling routes with a host of excuses.
As for a sale/lease back option to an EU registered carrier the proposed operator better make sure they get a super satisfactory credit line !
IMO only AI have the potential of staying the course (GOI interference excepted)