sentence1: In 2007 the 550-seat double-decker A380 Airbus overtook the 747 as the largest passenger airliner in service, a development that some aviation experts saw as signalling the end of the 747. Dwindling 747 orders have cast a dark cloud over the future of the airliner. Most are now are freighters as traditionally loyal customers such as Qantas, Virgin Atlantic and Singapore Airlines turn to the A380. The last remaining commercially flown 747 in Australia is the 747-400: with Qantas discontinuing the 747-300 model two weeks ago.
sentence2: Airbus A380 can carry 550 people.