The mammoth transfer between the two hubs, described by Turkish authorities as unprecedented in scale and speed, was already largely complete a little more than 24 hours after it began before dawn on Friday. The new Istanbul Airport, costing some $8 billion and one of several mega-projects championed by President Tayyip Erdogan, will initially be able to handle 90 million passengers a year, close to the world’s largest existing airport capacity. Overnight hundreds of trucks carried equipment such as aircraft-towing vehicles and security sensors from Ataturk, on the shores of the Sea of Marmara, 20 miles (30 km) north to the new airport by the Black Sea.
