The Paris crash claimed 113 lives

The plane will fly over the Atlantic for approximately three hours and 20 minutes before returning to RAF Brize Norton in Oxfordshire.

During the flight, it is expected to reach its top speed of 1,350mph - around twice the speed of sound.

The Concorde fleet was grounded after the Air France tragedy near Charles De Gaulle airport in Paris in July last year, which killed 109 passengers and crew, and four people on the ground.

Safety measures

British Airways and Civil Aviation Authority staff on board the test flight will carry out a number of tests following modifications to Concorde's fuel tanks and undercarriage.

The supersonic plane's fuel tanks have been lined with Kevlar to prevent a repeat of last year's crash in France.

The liner is made of a rubber compound successfully used in military helicopters and Formula One cars.

A burst tyre caused last year's crash, flinging debris at a fuel tank and starting a catastrophic fire.

The result of any test flight will be submitted to the Civil Aviation Authority and its French equivalent, with the aim of winning back certificates of air-worthiness suspended in the wake of the Paris crash.

Compensation

The BA fleet has undergone a �17m safety overhaul since the crash and the airline hopes to resume Concorde's passenger service in September.

Air France, which has conducted Concorde test flights at subsonic speeds, hopes to fly again by autumn, but said the timing is up to civil aviation authorities.

The French airline is paying compensation to relatives of the German victims of the Paris Concorde crash.

About 40% of the payments have already been made, the rest should come through in the next few days.

Attorneys have refused to release details of the settlement, but news reports in France and Germany have said the total compensation amounted to roughly $100m.