THIRUVANANTHAPURAM: Two more flights from Sri Lanka touched down at Thiruvananthapuram airport for refuelling on Friday, taking the number of such technical landings from the crisis-hit island nation to 101 since May.The stopovers, most of them by the country’s official carrier Sri Lankan Airlines, started after fuel shortage induced by the economic crisis hit refuelling at Colombo airport. The temporary halts have helped Thiruvananthapuram airport earn at least Rs 75 lakh in landing charges. This excludes refuelling charges.