EgyptAir MS804: search and rescue at sea is never easy

The disappearance of EgyptAir flight MS804, presumed lost over the eastern Mediterranean on a flight between Paris and Cairo with all 66 on board, is the latest passenger aircraft to go missing. The loss of Malaysia Airlines flight MH370 along with its 239 passengers over the Indian Ocean in March 2014 still looms large – the aircraft is yet to be found. While the Mediterranean and the Indian Ocean greatly differ in size, both disasters highlight the difficulty of search and rescue operati