Egyptair flight MS804 – Press Release #2
Following the announcement by Egyptian Ministry of Civil Aviation and French BEA, DOS ltd confirms the recovery of both MS804’s black boxes: the Cockpit Voice Recorder (CVR) on the 16th of June 2016 and the Flight Data Recorder on the 17th of June 2016. At this moment, DOS ltd is not authorized to supply any pictures, videos, chart and/or positions linked with the investigation.
“DOS ltd confirms the recovery of both MS804’s black boxes.”
— DOS Head Office
Regarding identification and recovery operations following wreckage localization, only a few days after our Vessel John Lethbridge arrival on the field:
- DOS is using our standard procedures for the loss of Fight MS804.
- The Remotely Operated Vehicle (ROV) is deployed on debris field, down to a depth of 3000m. The ROV position, computed by an IXBlue Inertial Navigation System, is projected in real time over the sonar mapping imagery generated during survey operations: on topside, operators can then follow the precise ROV evolution on the debris field. On seabed, the ROV is « guided » toward the black boxes by a beacon finder ROV-HOMER designed by Sonardyne: the ROV- HOMER sense the acoustic pulses from the underwater locator beacon (ULB) fitted on each black box. It calculates range and bearing standing between the robot and the black box.
- Once spotted, the ROV gently catch the black box using its manipulators and place it on a special metal basket from which it can’t escape until its controlled extraction on surface.
Due to the nature of the investigation, images cannot yet be made public.
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