The AF 447 had turned around to exit turbulence.

The wreck would be located 20 miles southwest of the last known position of the aircraft.

According to a government source, the area where the wreck is located about 20 miles south of the last known position of the aircraft.
AF-447 he delivered his first secret? Reportedly, the new research area of the wreck would be located 20 nautical miles (just under 40 km) southwest of the last known position of the aircraft. According to a government source interviewed by Figaro"This means that the aircraft was in distress and would, in accordance with current procedures is turned around to exit an area of cumulonimbus, or frankly to return to Brazil." The reserve was de rigueur in Air France pilots interviewed Thursday night. In their view, if the wreck is at this point, it could be a sign of a plane stalled and did a spin and went on a wrong course before being damaged in the ocean.
This revelation is a twist in investigating the air crash occurred on June 1st. It means that experts from the Bureau of Investigations and Analysis (BEA) seeking the wreckage of the AF 447 in the South Atlantic since the end of March are not the right place. They are indeed far focused on an area north of the last known position of the aircraft is heading the northeast that was supposed to be that of the AF 447 at the time of the tragedy.
This new perimeter which is based the wreckage of the AF 447 has been defined by joint studies of the Navy and Thales, according to information from our colleagues RTL. The army has revisited the recordings made last June by the nuclear submarine the Emerald in the first research campaign mounted in the emergency a few days after the tragedy. Following this unsuccessful mission, the Navy has approached Thales has developed software capable of exploiting the signals received in June. One of them corresponds to "pingers" black boxes, that is to say issuers that send a signal for a month.
This new area should be explored as early as Thursday evening by the Seabed Worker. The French office has indicated that the area was forwarded by the army stood out "two hours at sea south of the position" of his current ship.
"When the crew was warned he was at the latitude of the last known position of the aircraft, said a government source. It will go into this new area 20 miles south-west of the last known position of the aircraft. This is the last position Acars automatic message sent by the plane at 2:10 in the night of 31 May to 1 June 2009, four minutes before the impact of the plane into the ocean.