strongMumbai:/strong Spelling fresh trouble for beleaguered Kingfisher Airlines, state-run Airports Authority of India(AAI) has said it will not go by the empty promises of the airline management and would insist on clearance of its dues before the carrier is allowed to fly again. We will not go by the empty promises of the Kingfisher Airlines management. We want our dues to be paid (before the airline is allowed to take off again), a highly-placed AAI source toldem PTI/em here. [caption id=attachment_604745 align=alignleft width=380