Egypt's state newspaper Ahram has reported that no distress call was made from missing flight MS804 and that the last contact with the pilot was about 10 minutes before the aircraft disappeared.
The A320 with 66 people on board disappeared from radar 10 miles into Egyptian airspace in the early hours of Thursday morning.
Work has begun on analysing data from the two black boxes from the fated EgyptAir flight that crashed into the sea in May.
French air accident investigators confirm the signal detected earlier is from a flight recorder.
The head of Egypt's forensics authority said it is 'too early' to know what caused the EgyptAir plane to crash into the Mediterranean sea.