AllNews'Airplane Transponders' - 1 News Result(s)Why do airplane transponders have an 'off switch?'World News | Associated Press | Wednesday March 19, 2014 Ever since Malaysia Airlines Flight 370 disappeared, a fascinated public has asked: Why would somebody in the cockpit shut off the transponder? www.ndtv.com'Airplane Transponders' - 1 News Result(s)Why do airplane transponders have an 'off switch?'World News | Associated Press | Wednesday March 19, 2014 Ever since Malaysia Airlines Flight 370 disappeared, a fascinated public has asked: Why would somebody in the cockpit shut off the transponder? www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com