Deep-sea hunt for Egypt A French ship specializing in marine wreckage searches is to join the hunt for the black boxes of EgyptAir flight MS804, that crashed in deep water in the Mediterranean Sea on May 19 GREECE Athens Kasos Crete MEDITERRANEAN SEA LIBYA 100km 60 miles Flight from Paris to Cairo had 66 people on board TURKEY CYPRUS Elevation cross section Strabo Trench Herodotus Plain Levantine Basin Alexandria EGYPT Cairo Last recorded position: 37,000ft (11,000m)Air flight Elevation cross section (metres) 0 1,000 2,000 3,000 Mainland Greece Kasos Strabo Trench Depth: 3,000m Herodotus Plain Egypt Cockpit Voice Recorder 32cm ALSEAMAR: Marine search company likely to use “intelligent buoys” connected to underwater acoustic listening device Sources: FlightRadar24, Alseamar, Google Earth