Investigators might finally get a better idea of why an Air France flight crashed into the Atlantic nearly two years ago and killed all 228 aboard. A fourth deep-sea search led by the Woods Hole Oceanographic Institution has yielded plane parts believed to be from the Airbus 330, reports the BBC. It's not clear yet whether that includes the black boxes, however. Flight 447 crashed in a storm en route from Brazil to Paris on June 1, 2009. Click for more background.