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An Airbus 380 prepares to land after its demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday,  June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)

An Airbus 380 prepares to land after its demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)


An Airbus A350 lands after its demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

An Airbus A350 lands after its demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Airplanes are seen on display in the evening at the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

Airplanes are seen on display in the evening at the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


French Lieutenant Romain of the 1st Regiment of Combat Helicopter based in Falsbourg, eastern France, stands in a Tigre HAD Helicopter during the Paris Air Show, at Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic aeronautic displays. (AP Photo/Francois Mori)

French Lieutenant Romain of the 1st Regiment of Combat Helicopter based in Falsbourg, eastern France, stands in a Tigre HAD Helicopter during the Paris Air Show, at Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic aeronautic displays. (AP Photo/Francois Mori)


Airplanes are seen on display in the evening at the 51st Paris Air Show at Le Bourget airport near Paris June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

Airplanes are seen on display in the evening at the 51st Paris Air Show at Le Bourget airport near Paris June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


A safety employee walks by the left engine of the Boeing 787 Dreamliner prior to its demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see aeronautic displays. (AP Photo/Francois Mori)

A safety employee walks by the left engine of the Boeing 787 Dreamliner prior to its demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see aeronautic displays. (AP Photo/Francois Mori)


A visitor take a picture of an Airbus A380, the world's largest jetliner, during a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol

A visitor take a picture of an Airbus A380, the world's largest jetliner, during a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol


Onlookers look for the demonstration flights of the Paris Air Show,  in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Onlookers look for the demonstration flights of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


A Qatar Airways crew member presents the first class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

A Qatar Airways crew member presents the first class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


Interior view of the toilets in the second floor first class section of the Airbus A380 of Qatar Airways during a visit at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the toilets in the second floor first class section of the Airbus A380 of Qatar Airways during a visit at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


French Capt. Benoit Planche, nicknamed "Tao", performs with a Rafale single seat jet aircraft during a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

French Capt. Benoit Planche, nicknamed "Tao", performs with a Rafale single seat jet aircraft during a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


An Airbus A380, the world's largest jetliner paticipates in flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

An Airbus A380, the world's largest jetliner paticipates in flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


The Dassault made Rafale performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. Visible in background is the Airbus A380. (AP Photo/Remy de la Mauviniere)

The Dassault made Rafale performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. Visible in background is the Airbus A380. (AP Photo/Remy de la Mauviniere)


FILE - This June 17, 2009 file photo shows a US Air Force Boeing-made Globe Master III  in background as visitors crowd the tarmac, at Le Bourget, north of Paris, during the 48th Paris Air Show. Just eight miles from the center of Paris, the normally sleepy aerodrome in Le Bourget will undergo its biennial transformation into the center of the world's $700 billion aerospace and defense industry when it hosts the 51st International Paris Air Show from June 15 to June 21. (AP Photo/Remy de la Mauviniere/File)

FILE - This June 17, 2009 file photo shows a US Air Force Boeing-made Globe Master III in background as visitors crowd the tarmac, at Le Bourget, north of Paris, during the 48th Paris Air Show. Just eight miles from the center of Paris, the normally sleepy aerodrome in Le Bourget will undergo its biennial transformation into the center of the world's $700 billion aerospace and defense industry when it hosts the 51st International Paris Air Show from June 15 to June 21. (AP Photo/Remy de la Mauviniere/File)


Interior view of the fully lie-flat seat converted into a bed in Premiere (1st) Class in the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the fully lie-flat seat converted into a bed in Premiere (1st) Class in the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


An Airbus A400 military aircraft flies over another A400M during a flying display at the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol

An Airbus A400 military aircraft flies over another A400M during a flying display at the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol


A Qatar Airways crew member presents the business class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

A Qatar Airways crew member presents the business class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


Onlookers gather as the Boeing 787 Dreamliner waits on the tarmac for its demonstration flight of the Paris Air Show,  in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Onlookers gather as the Boeing 787 Dreamliner waits on the tarmac for its demonstration flight of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


The Airbus A380 performs a demonstration flight as onlookers , one of them wearing a bag as a sun hat, at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

The Airbus A380 performs a demonstration flight as onlookers , one of them wearing a bag as a sun hat, at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


The Boeing B787-9 Dreamliner takes off for its demonstation flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The Boeing B787-9 Dreamliner takes off for its demonstation flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


The Boeing 787 Dreamliner performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The Boeing 787 Dreamliner performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015.  Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


A Thales made Watchkeeper drone is presented at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

A Thales made Watchkeeper drone is presented at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


An Airbus A380 takes off for its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

An Airbus A380 takes off for its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this weekends Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


Visitors walk next to the Rolls Royce jet engine of a Qatar Airways Airbus A 380, at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors walk next to the Rolls Royce jet engine of a Qatar Airways Airbus A 380, at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


The left wing of a Boeing 787 Dreamliner , bottom, as Catherine Maunoury of France performs a demonstration flight with a low-wing aerobatic Extra C 330 at the Paris Air Show,  in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

The left wing of a Boeing 787 Dreamliner , bottom, as Catherine Maunoury of France performs a demonstration flight with a low-wing aerobatic Extra C 330 at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Visitors watch a Rafale jet fighter during a demonstration flight of the Paris Air Show, at Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Christophe Ena)

Visitors watch a Rafale jet fighter during a demonstration flight of the Paris Air Show, at Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Christophe Ena)


Visitors look at a H160 of Airbus Helicopters on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

Visitors look at a H160 of Airbus Helicopters on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


An NH90 helicopter participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

An NH90 helicopter participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the Business Class seats on the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


A Qatar Airways crew member presents the business class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

A Qatar Airways crew member presents the business class seats of an Airbus A380 aircraft during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


The Alpha Jets of the Patrouille de France acrobatic team perform their demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday,  June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)

The Alpha Jets of the Patrouille de France acrobatic team perform their demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)


The Alpha Jets of the Patrouille de France acrobatic team perform their demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday,  June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)

The Alpha Jets of the Patrouille de France acrobatic team perform their demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)


Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


Visitors look at A H160 of Airbus Helicopter on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

Visitors look at A H160 of Airbus Helicopter on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


A pilots shows to visitor a Rafale jet fighter during the Paris Air Show, at Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Christophe Ena)

A pilots shows to visitor a Rafale jet fighter during the Paris Air Show, at Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Christophe Ena)


French Capt. Benoit Planche, nicknamed "Tao", performs with a Rafale single seat jet aircraft during a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

French Capt. Benoit Planche, nicknamed "Tao", performs with a Rafale single seat jet aircraft during a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Visitors crowed the tarmac while an Airbus 380 is on takeoff roll for a demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday,  June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)

Visitors crowed the tarmac while an Airbus 380 is on takeoff roll for a demonstration flight during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)


A French army NH 90 Caiman helicopter performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

A French army NH 90 Caiman helicopter performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


Visitors look at a Artemis military drone on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

Visitors look at a Artemis military drone on display during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


Visitors look at a Safran made engine at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Visitors look at a Safran made engine at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


The rear of a Rafale jet fighter engine displayed at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

The rear of a Rafale jet fighter engine displayed at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


A Boeing 787-9 Dreamliner participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol

A Boeing 787-9 Dreamliner participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 17, 2015. REUTERS/Pascal Rossignol


Visitors climb the staircase to the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Visitors climb the staircase to the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Onlookers take photos of the Airbus A 350 during its demonstration flight of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Onlookers take photos of the Airbus A 350 during its demonstration flight of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


A Boeing 787 Dreamliner is pulled on the tarmac for its demonstration flight of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

A Boeing 787 Dreamliner is pulled on the tarmac for its demonstration flight of the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Interior view of the economy class of the Airbus A380 of Qatar Airlines during a visit at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the economy class of the Airbus A380 of Qatar Airlines during a visit at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


An Airbus E-Fan.1, an electrical aircraft participates in flying display during the opening of the 51st Paris Air Show at Le Bourget airport near Paris June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

An Airbus E-Fan.1, an electrical aircraft participates in flying display during the opening of the 51st Paris Air Show at Le Bourget airport near Paris June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


Employees check the cooling system of a Dassault Falcon 900LX during the Paris Air Show, at Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Employees check the cooling system of a Dassault Falcon 900LX during the Paris Air Show, at Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Visitors look at a LEAP engine (Leading Edge Aviation Propulsion) by CFM international, during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday,  June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)

Visitors look at a LEAP engine (Leading Edge Aviation Propulsion) by CFM international, during the closing day of the Paris Air Show in Le Bourget, north of Paris, Sunday, June 21, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Michel Euler)


Interior view of the lounge bar in the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the lounge bar in the second floor deck of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


The new Airbus A350 performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The new Airbus A350 performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


An Airbus A 350 performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. Visible at left is the vertical stabilizer of a Qatar Airways A 380. (AP Photo/Remy de la Mauviniere)

An Airbus A 350 performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. Visible at left is the vertical stabilizer of a Qatar Airways A 380. (AP Photo/Remy de la Mauviniere)


An Airbus A350 performs a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

An Airbus A350 performs a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

The JF-17 Thunder multi-role fighter jointly developed by China and Pakistan performs its demonstration flight at the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week,s Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


A JF-17 Thunder fighter participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol

A JF-17 Thunder fighter participates in a flying display during the 51st Paris Air Show at Le Bourget airport near Paris, June 16, 2015. Picture taken June 16, 2015. REUTERS/Pascal Rossignol


The nose of an Airbus A400M presented at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

The nose of an Airbus A400M presented at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


The nose of Tigre HAD Helicopter with a machine gun is parked at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015.  Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see aeronautic displays. (AP Photo/Francois Mori)

The nose of Tigre HAD Helicopter with a machine gun is parked at the Paris Air Show, in Le Bourget airport, north of Paris, Tuesday, June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see aeronautic displays. (AP Photo/Francois Mori)


Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015.  Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors crowd the alleys of the Paris Air Show in Le Bourget, north of Paris, Tuesday June 16, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


A new Falcon 8X aircraft warms up prior to a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

A new Falcon 8X aircraft warms up prior to a demonstration flight at the Paris Air Show, in Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Visitors look at the Safran made landing gear of an Airbus A350, at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)

Visitors look at the Safran made landing gear of an Airbus A350, at the Paris Air Show in Le Bourget, north of Paris, Thursday June 18, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Remy de la Mauviniere)


Visitors gather next to the Safran made landing gear of an Airbus A350 aircraft at the Paris Air Show, at Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at the Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Visitors gather next to the Safran made landing gear of an Airbus A350 aircraft at the Paris Air Show, at Le Bourget airport, north of Paris, Thursday, June 18, 2015. Some 300,000 aviation professionals and spectators are expected at the Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Visitors take photos during a press visit in the cockpit of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Visitors take photos during a press visit in the cockpit of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


Interior view of the cockpit of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)

Interior view of the cockpit of the Airbus A380 of Qatar Airways presented at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Qatar Airways has brought 4 Airbus A380's in service since last year. (AP Photo/Francois Mori)


Chief Financial Officer Airbus Group Harald Wilhelm (C) and President of ST Aerospace Serh Ghee Lim (L) shake hands as Airbus Group CEO Tom Enders (R) looks on after they announced an agreement to convert aircraft from its best selling A320 family of single-aisle jets to freighters to boost the life of the planes, during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol

Chief Financial Officer Airbus Group Harald Wilhelm (C) and President of ST Aerospace Serh Ghee Lim (L) shake hands as Airbus Group CEO Tom Enders (R) looks on after they announced an agreement to convert aircraft from its best selling A320 family of single-aisle jets to freighters to boost the life of the planes, during the 51st Paris Air Show at Le Bourget airport near Paris June 17, 2015. REUTERS/Pascal Rossignol


Airbus CEO Tom Enders poses during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)

Airbus CEO Tom Enders poses during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Some 300,000 aviation professionals and spectators are expected at this week's Paris Air Show, coming from around the world to make business deals and see dramatic displays of aeronautic prowess and the latest air and space technology. (AP Photo/Francois Mori)


Chief Financial officer of Airbus Group Harald Wilhelm, right and Serh Ghee Lim President of ST Aerospace pose after the agreement signature during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Airbus has signed an agreement with Singapore based ST Aerospace to offer passenger-to freighter conversion solutions for its A320/A321aircraft. (AP Photo/Francois Mori)

Chief Financial officer of Airbus Group Harald Wilhelm, right and Serh Ghee Lim President of ST Aerospace pose after the agreement signature during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Airbus has signed an agreement with Singapore based ST Aerospace to offer passenger-to freighter conversion solutions for its A320/A321aircraft. (AP Photo/Francois Mori)


Airbus CEO Tom Enders, left poses with Singapore Technologies Engineering ltd CEO Tan Pheng Hock during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Airbus has signed an agreement with Singapore based ST Aerospace to offer passenger-to freighter conversion solutions for its A320/A321aircraft. (AP Photo/Francois Mori)

Airbus CEO Tom Enders, left poses with Singapore Technologies Engineering ltd CEO Tan Pheng Hock during an Airbus press conference at the Paris Air Show, in Le Bourget airport, north of Paris, Wednesday, June 17, 2015. Airbus has signed an agreement with Singapore based ST Aerospace to offer passenger-to freighter conversion solutions for its A320/A321aircraft. (AP Photo/Francois Mori)

24 Jun 2015 18:01:00