In the Mediterranean sea detected the signal from the crashed last week airliner A320 EgyptAir company, according to the state news Agency of Egypt's al-Ahram.

Signals emits an emergency beacon from the aircraft, the device may automatically be activated upon impact, and usually sends a distress signal. The signal from the emergency beacon is different from the pings emitted by the "black box".

The presence of a signal strongly narrows the field. A search party a few days ago was focused on the area that is described as "the size of Connecticut." Now, the search area was reduced to 5 km, giving the researchers a more specific spot to discover the black boxes.

A French ship equipped with special equipment to detect the black boxes will begin their search in the coming days, according to the Agency France accident investigation. French warship La Place, left on Tuesday of Porto-Vecchio and heading towards the Egyptian coast.

The French may decide to send a second ship, equipped for underwater reconnaissance robots that could work at a depth of 10 thousand pounds in the Mediterranean sea. The French BEA wants to provide technical assistance to the Egyptian authorities, who are investigating and conduct underwater operations.

Time is working against the rescuers, said an aviation analyst Justin green. If they do not detect the black boxes in the next 30 days, find them to be much more difficult. The aircraft has three emergency transmitter , one of which is in the tail where the data recorders on the flight. Signals from distress beacons can be caught by satellites.
sections: Accidents, World News