BY Niluksi Koswanage, Siva Govindasamy and Tim Hepher (Reuters) – The sudden disappearance of a Malaysia Airlines jetliner with 239 people aboard represents one of the rarest kinds of aviation disaster, and the mystery is compounded by uncertainty about which country’s jurisdiction the plane came down in. Take-off and, in particular, final approach and landing are the most inherently hazardous parts of a flight, and the periods when most accidents occur. Saturday’s red-eye flight, by contrast, vanished at cruising […]