 In February 2013, AirAsia Berhad and Firefly Sdn Bhd signed an agreement with Malaysia Airport Holdings Berhad (MAHB) to make Sultan Ismail Petra Airport their secondary hubs.In July 2015, Malaysia Airports is planning for the expansion Sultan Ismail Petra Airport in Kelantan, which has already exceeded its 1.5 million capacity.The building will be expanded to cater to 4 million passengers with a new multi-storey car park and additional aircraft stands (aerobridge) to cope with the expected increase in traffic in the coming decade.