Emirates Airline said it plans to buy an additional 32 A380 jets from Airbus SAS, in the biggest single order of the superjumbo to date.

The order, valued at $11.5 billion and announced at the Berlin Air Show today, takes the carrier's A380 fleet to 90, with 10 so far delivered. Emirates President Tim Clark said his airline would be interested in buying a stretched version of the A380 that can seat about 1,000 passengers, a model Airbus said it may consider building sometime in the future.

"Emirates and our passengers are big fans" of the A380, said Sheikh Ahmed bin Saeed Al-Maktoum, the chief executive officer of the airline. The airline is working to add Berlin as a destination to its networks, he said.

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