Investigators say that the signals normally indicate a fire has broken out, but refuse to be drawn on the possible cause. However, a technical catastrophe has not been ruled out.

EgyptAir Flight 804 sent radio messages that may signal the crash not caused by bomb https://t.co/dIfwPUVFcKpic.twitter.com/JKhSrlzTzs

— Bloomberg (business) May 21, 2016 On Saturday the Egyptian military released pictures of the debris recovered from the crash site including life jackets and other items marked with the EgyptAir logo. #AWANInews EgyptAir MS804: Egyptian army post images of plane debris https://t.co/doMWomNGoM pic.twitter.com/Bh5gWqotjM\u2014 Astro AWANI (@501Awani) May 22, 2016 As yet no bodies have been recovered, still memorials have been taking place for the victims. In Cairo cabin crew member Yara Hani was remembered by friends and family.", "dateCreated": "2016-05-22 08:02:29", "dateModified": "2016-05-22 08:02:29", "datePublished": "2016-05-22 08:02:29", "image": { "@type": "ImageObject", "url": "https://static.euronews.com/articles/333371/1440x810_333371.jpg", "width": "1440px", "height": "810px", "caption": "The search for the fuselage and the black box recorders of the downed EgyptAir flight MS804 is the number one priority for the air crash investigators.", "thumbnail": "https://static.euronews.com/articles/333371/385x202_333371.jpg", "publisher": { "@type": "Organization", "name": "euronews", "url": "https://static.euronews.com/website/images/euronews-logo-main-blue-403x60.png" } }, "author": { "@type": "Person", "name": "Christopher Cummins", "url": "cummins", "sameAs": "https://twitter.com/euronews" }, "publisher": { "@type": "Organization", "name": "Euronews", "legalName": "Euronews", "url": "https://www.euronews.com/", "logo": { "@type": "ImageObject", "url": "https://static.euronews.com/website/images/euronews-logo-main-blue-403x60.png", "width": "403px", "height": "60px" }, "sameAs": [ "https://www.facebook.com/euronews", "https://twitter.com/euronews", "https://flipboard.com/@euronews", "https://www.instagram.com/euronews.tv/", "https://www.linkedin.com/company/euronews" ] }, "video": { "@type": "VideoObject", "name": "Blacks boxes hold the keys to unlock EgyptAir mystery", "description": "The search for the fuselage and the black box recorders of the downed EgyptAir flight MS804 is the number one priority for the air crash investigators.", "thumbnailUrl": "https://static.euronews.com/articles/333371/385x202_333371.jpg", "width": "385px", "height": "202px", "uploadDate": "2016-05-22 08:02:29", "duration": "PT1M4S", "contentUrl": "https://video.euronews.com/mp4/med/EN/NW/SU/en/160522_NWSU_070A0-085010_E.mp4", "embedUrl": "/embed/2707299", "publisher": { "@type": "Organization", "name": "Euronews", "legalName": "Euronews", "url": "https://www.euronews.com/", "logo": { "@type": "ImageObject", "url": "https://static.euronews.com/website/images/euronews-logo-main-blue-403x60.png", "width": "403px", "height": "60px" }, "sameAs": [ "https://www.facebook.com/euronews", "https://twitter.com/euronews", "https://flipboard.com/@euronews", "https://www.instagram.com/euronews.tv/", "https://www.linkedin.com/company/euronews" ] } } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.euronews.com/" }, { "@type": "ListItem", "position": 2, "name": "News", "item": "https://www.euronews.com/news" }, { "@type": "ListItem", "position": 3, "name": "World", "item": "https://www.euronews.com/news/international" }, { "@type": "ListItem", "position": 4, "name": "Blacks boxes hold the keys to unlock EgyptAir mystery", "item": "https://www.euronews.com/2016/05/22/blacks-boxes-hold-the-keys-to-unlock-egyptair-mystery" } ] }, { "@type": "WebSite", "name": "Euronews.com", "url": "https://www.euronews.com/", "potentialAction": { "@type": "SearchAction", "target": "https://www.euronews.com/search?query={search_term_string}", "query-input": "required name=search_term_string" }, "sameAs": [ "https://www.facebook.com/euronews", "https://twitter.com/euronews", "https://flipboard.com/@euronews", "https://www.instagram.com/euronews.tv/", "https://www.linkedin.com/company/euronews" ] } ] }
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Blacks boxes hold the keys to unlock EgyptAir mystery

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By Christopher Cummins  with Agencies
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Blacks boxes hold the keys to unlock EgyptAir mystery

The search for the fuselage and the black box recorders of the downed EgyptAir flight MS804 is the number one priority for the air crash investigators.
It has emerged that smoke detectors had been triggered in the plane’s toilet followed a minute later by an avionics alarm.
The avionics bay, situated below the cockpit, contains all the aircrafts electronic systems such as radio’s, navigation equipment and radar.


On Saturday the Egyptian military released pictures of the debris recovered from the crash site including life jackets and other items marked with the EgyptAir logo.
As yet no bodies have been recovered, still memorials have been taking place for the victims.
In Cairo cabin crew member Yara Hani was remembered by friends and family.