(April 27): Six of the Philippines’ biggest conglomerates have revived a proposal to upgrade its congested main airport, signaling confidence in air travel recovery.

Alliance Global Group Inc, JG Summit Holdings Inc, Aboitiz Equity Ventures Inc, Ayala Corp, Filinvest Development Corp and Asia’s Emerging Dragon Corp submitted to the government a 100 billion-peso (RM8-billion) proposal to modernise and increase the capacity of the Ninoy Aquino International Airport, they said in a joint statement. Also part of the group is US-based infrastructure investor and airport operator Global Infrastructure Partners.