The Beijing-bound Malaysian Airlines flight MH730 disappeared on 8 March 2014 over the South China sea.
GeoSage, a company specialized in developing image fusion and spectral transformation analysis, is suggesting to use Landsat-8 satellite imagery to analyze the surrounding ocean area, where the plane lost contact.
OrbView-3 satellite images collected around the world between 2003 and 2007 by Orbital Imaging Corporation (now GeoEye) at up to one-meter resolution can now be downloaded at no cost through USGS EarthExplorer.