As the search for missing flight Malaysian Airlines flight 370 drags on into the 10th day, so many questions continue to remain unanswered about how and why the airliner could have disappeared while seemingly under the control of a skilled pilot intent on making it invisible. With satellite pings showing where the plane could be after more than seven hours of flight, speculation has arisen that the plane could be on the ground anywhere along a path from northern Thailand to the border of Kazakhstan and Turkmenistan.