An Airbus A380 takes part in a flying display at the 47th Paris Air Show at Le Bourget airport near Paris June 19, 2007. REUTERS/Pascal Rossignol

The world's biggest airliner Airbus A380 takes off for its maiden flight at the Toulouse-Blagnac airport in southwestern France April 27, 2005. The A380, which has room for 800 passengers but was carrying only the test crew, lumbered down the runway before gathering speed and taking off from Airbus headquarters outside Toulouse. Crowds cheered as it took off. The A380 will be most common on long routes linking Asia and the Middle East to Europe and the U.S. REUTERS/Jean-Philippe Arles

A bussines class seat of an Airbus A380 is pictured during a delivery ceremony of Emirates' 100th Airbus A380 at the German headquarter of aircraft company Airbus in Hamburg-Finkenwerder, November 3, 2017. REUTERS/Fabian Bimmer

An Airbus A380 takes part in flying display during the 52nd Paris Air Show at Le Bourget Airport, near Paris, France June 24, 2017. REUTERS/Pascal Rossignol

An airplane flies over the parked Airbus A380 at JFK International Airport in New York March 19, 2007. REUTERS/Shannon Stapleton

A new painted Airbus A38o airliner is pulled into a hangar at the Airbus facility in Finkenwerder near Hamburg January 13, 2006. The A380 superjumbo double-decker aircraft bearing the serial number MSN2 was presented for the first time to the public on Friday after paintwork has been completed. REUTERS/Christian Charisius

Visitors walk down an Airbus A380, showing a picture of United Arab Emirates' Former President Sheikh Zayed bin Sultan al-Nahayan, during the Dubai Airshow in Dubai, United Arab Emirates November 13, 2017. REUTERS/Satish Kumar

An Airbus A380 takes part in flying display during the 52nd Paris Air Show at Le Bourget Airport, near Paris, France June 24, 2017. REUTERS/Pascal Rossignol

A view of the newly-launched suites cabin of a Singapore Airlines' A380 at Changi Airport in Singapore December 14, 2017. REUTERS/Edgar Su

An Airbus A380 of German air carrier Lufthansa is pulled for technical maintainance at the airport in Frankfurt, Germany, February 12, 2019. Picture taken February 12. REUTERS/Kai Pfaffenbach

A Malaysia Airlines Airbus A380-800 passes over homes in Waye Avenue as it comes into land at Heathrow Airport, London, Britain January 10, 2018. Picture taken January 10, 2018.

A new Airbus A380 aircraft for Lufthansa is seen before a hand-over ceremony at the manufacturer's site in Finkenwerder, near Hamburg May 19, 2010. REUTERS/Morris Mac Matzen

A new Airbus A380 airliner leaves the paintshop hangar at the Airbus facility in Finkenwerder near Hamburg January 13, 2006. The A380 superjumbo double-decker aircraft bearing the serial number MSN2 was presented for the first time to the public on Friday after paintwork has been completed. REUTERS/Christian Charisius

An Airbus A380, the world's largest jetliner, takes part in flying display, during the 52nd Paris Air Show at Le Bourget Airport near Paris, France June 25, 2017. REUTERS/Pascal Rossignol

A Singapore Airlines stewardess poses for photos in the newly-launched suites cabin of their A380 at Changi Airport in Singapore December 14, 2017. REUTERS/Edgar Su

A world traveller cabin is seen in the British Airways Airbus A380 at Heathrow airport in London July 4, 2013. British Airways received its first Airbus A380 jet at Heathrow airport on Thursday, marking the start of modernising its aging fleet with new, more fuel-efficient planes able to better compete with fast-growing rivals. REUTERS/Paul Hackett

An Airbus A380 plane takes off during a demonstration flight at the MAKS International Aviation and Space Salon in Zhukovsky, outside Moscow August 31, 2013. REUTERS/Maxim Shemetov

Visitors tour an Airbus A380 of Emirates during the Dubai Airshow in Dubai, United Arab Emirates November 13, 2017. REUTERS/Satish Kumar

General view shows an Airbus A380 at the final assembly line at Airbus headquarters in Blagnac near Toulouse, France, March 21, 2018. REUTERS/Regis Duvignau

People watch an Airbus A380 passenger plane take off for a presentation flight at the ILA International Air Show in Schoenefeld south of Berlin, June 12, 2010. REUTERS/Thomas Peter

A bar in a first class suite of an Airbus A380 is pictured during a delivery ceremony of Emirates' 100th Airbus A380 at the German headquarter of aircraft company Airbus in Hamburg-Finkenwerder, November 3, 2017. REUTERS/Fabian Bimmer

An onboard bar of an Airbus A380 is pictured during a delivery ceremony of Emirates' 100th Airbus A380 at the German headquarter of aircraft company Airbus in Hamburg-Finkenwerder, November 3, 2017. REUTERS/Fabian Bimmer

Image used for illustrative purpose. General view shows an Airbus A380 at the final assembly line at Airbus headquarters in Blagnac near Toulouse, France, March 21, 2018. REUTERS/Regis Duvignau

A Singapore Airlines air stewardess poses for photos during a tour of the newly launched business class cabin on their A380 aircraft at Changi Airport in Singapore December 14, 2017. REUTERS/Edgar Su

An Airbus A380 aircraft is displayed at the 2008 Farnborough International Air Show, Hampshire, southern England July 13, 2008. REUTERS/Alessia Pierdomenico

A Singapore Airlines Airbus A380-800 passes over homes in Waye Avenue as it comes into land at Heathrow Airport, London, Britain January 10, 2018. Picture taken January 10, 2018. REUTERS/Matthew Childs

Emirates cabin crew board an Emirates Airbus A380-800 at Manchester Airport in Manchester, northern England. Image for illustrative purposes. REUTERS/Phil Noble

An Emirates airlines Airbus A380 comes in for landing over the roof of the Beijing Capital International Airport's train station March 6, 2012. The European Union's plan to charge airlines for their greenhouse gas emissions would rise dramatically to cost Chinese airlines 18 billion yuan ($2.8 billion) a year by 2030, China's civil aviation head said on Monday. REUTERS/David Gray

An onboard bar of an Airbus A380 is pictured during a delivery ceremony of Emirates' 100th Airbus A380 at the German headquarter of aircraft company Airbus in Hamburg-Finkenwerder, November 3, 2017. REUTERS/Fabian Bimmer

A bussines class seat of an Airbus A380 is pictured during a delivery ceremony of Emirates' 100th Airbus A380 at the German headquarter of aircraft company Airbus in Hamburg-Finkenwerder, November 3, 2017. REUTERS/Fabian Bimmer

An Airbus A380 takes off for a flying display at the 47th Paris Air Show at Le Bourget airport near Paris while in the background an Air France aircraft prepares to land at nearby Roissy Airport, June 19, 2007. REUTERS/Pascal Rossignol

Fligt attendants look on as visitors tour an Airbus A380 of Emirates during the Dubai Airshow in Dubai, United Arab Emirates November 13, 2017. REUTERS/Satish Kumar

An Airbus A380 is taking part in a flying display during the 52nd Paris Air Show at Le Bourget Airport near Paris, France June 23, 2017. REUTERS/Pascal Rossignol

Inflight entertainment screens are pictured in the newly-launched economy class cabin of a Singapore Airlines' A380 at Changi Airport in Singapore December 14, 2017. REUTERS/Edgar Su

An Airbus A380 aircraft is stored at the base of French recycling and storage aerospace company Tarmac Aerosave in Azereix near Tarbes, France, January 16, 2018. REUTERS/Regis Duvignau

An A380 Airbus arrives on the tarmac during the Airbus annual press conference in Colomiers, near Toulouse, January 13, 2014. REUTERS/Regis Duvignau

The world's largest passenger plane, the Airbus A380, is seen on the tarmac after it landed at Heathrow airport near London May 18, 2006. The double-decker superjumbo, designed to carry 555 passengers but with room for more than 800, flew from[Berlin] to Heathrow for its first visit to Britain.