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The disappearance of Malaysia Airlines flight MH370 on the morning of8 March 2014 is one of the great mysteries of our time. Perhaps the mostrelevant aspect of this mystery is that not a single piece of debris from theaircraft was found during the intensive surface search carried out forroughly 2 months following the crash. Difficulties in the search efforts,due to the uncertainty of the plane's final impact point and the time thathad passed since the accident, bring the question on how the debris scatteredin an always moving ocean, for which there are multiple data sets that do notuniquely determine its state. Our approach to this problem is based on theuse of Lagrangian descriptors (LD), a novel mathematical tool coming fromdynamical systems theory that identifies dynamic barriers and coherentstructures governing transport. By combining publicly available informationsupplied by different ocean data sources with these mathematical techniques,we are able to assess the spatio-temporal state of the ocean in the prioritysearch area at the time of impact and the following weeks. Using thisinformation we propose a revised search strategy by showing why one might nothave expected to find debris in some large search areas targeted by theAustralian Maritime Safety Authority (AMSA), and determining regions whereone might have expected impact debris to be located, which were notsubjected to any exploration

A dynamical systems approach to the surface search for debris associated with the disappearance of flight MH370