Egypt Sends Submarine to Search for Egyptair Flight MS804 Black Boxes

Egypt deployed a submarine on Sunday to join a hunt for EgyptAir Flight MS804’s black boxes amid a ongoing review into what downed a newcomer plane.

President Abdel-Fattah al-Sisi announced a deployment of a submarine Sunday in his initial open remarks about a crash, warning that an review into a occurrence will take time.

“Until now all scenarios are possible. So please, it is really critical that we do not speak and contend there is a specific scenario,” Sisi said, according to Reuters. “This could take a prolonged time.”

Sisi’s remarks came as an audio recording of a EgyptAir commander and air-traffic controllers emerged that suggested zero was astray 2 ½ hours before a jet left from radar screens over a Mediterranean Sea.

Related: What Triggered Smoke Alerts on Doomed Flight?

“Hello, hello, EgyptAir 804, moody turn 370, shrill series 7624,” a commander of EgyptAir MS 804 is listened revelation Zurich Airport in Switzerland in audio available by a website during around 11:51 p.m. Wednesday internal time.

“EgyptAir 804 radar contact,” an air-traffic controller says, according to a audio. The commander replies, “Thank we so much.”

The craft was roving from Paris to Cairo when it left with 66 people on house shortly after withdrawal Greek airspace during around 2:30 a.m. Thursday Cairo time (8:30 p.m. Wednesday ET).

Egypt’s troops said it has found waste from a plane along with some tellurian stays and passengers’ belongings.

Image: A welfare picture from a Egyptian troops of waste recovered Friday from crashed moody EgyptAir MS804

Image: A welfare picture from a Egyptian troops of waste recovered Friday from crashed moody EgyptAir MS804

Greek authorities have formerly pronounced a commander seemed contented in communications over that country, thanking atmosphere trade control in Greek as a craft prepared to leave Greek airspace.

Why a craft went down stays unclear.

Smoke was rescued aboard EgyptAir Flight MS804 before it crashed though no conclusions are being drawn about a cause, France’s atmosphere collision review group pronounced Saturday.

The craft sent programmed messages indicating fume a few mins before it left from radar into a Mediterranean Sea, BEA orator Sebastien Barthe told NBC News.

“This customarily means a fire,” he said.