<Tr> <Th> Program cost </Th> <Td> € 15 billion (Airbus 2015) to € 25 billion (2016 estimate) </Td> </Tr> <Tr> <Th> Unit cost </Th> <Td> US $436.9 million (2017) </Td> </Tr> <P> The Airbus A380 is a double - deck, wide - body, four - engine jet airliner manufactured by European manufacturer Airbus . It is the world's largest passenger airliner, and the airports at which it operates have upgraded facilities to accommodate it . It was initially named Airbus A3XX and designed to challenge Boeing's monopoly in the large - aircraft market . The A380 made its first flight on 27 April 2005 and entered commercial service on 25 October 2007 with Singapore Airlines . An improved version, the A380plus, is under development . </P> <P> The A380's upper deck extends along the entire length of the fuselage, with a width equivalent to a wide - body aircraft . This gives the A380 - 800's cabin 550 square metres (5,920 sq ft) of usable floor space, 40% more than the next largest airliner, the Boeing 747 - 8, and provides seating for 525 people in a typical three - class configuration or up to 853 people in an all - economy class configuration . The A380 - 800 has a design range of 8,500 nautical miles (15,700 km), serving the second - and third - longest non-stop scheduled flights in the world (as of February 2017), and a cruising speed of Mach 0.85 (about 900 km / h, 560 mph or 490 kt at cruising altitude). </P>

How many engines does the biggest plane have