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...Flightcessnarevisited geometryofaplanerescue olgakosheleva department of teacher education university texas at el paso tx usa olgak utep edu geometry helped to rescue an airplane a true story on de cember cessna plane got lost over the paci c ocean when its navigation instruments malfunctioned is not equipped for water landing so if was located and guided airport jay parkins pilot could die luckily large passenger happened y in area navigated by newzealand gordon vette this heard s radio signal captain used many ideas locate nal location breakthrough came from fact that with transmitter which only be within direct visibility thus hear he certain geometrically easy compute distance r miles heaskedthecessnapilottocircleinplace iedhisplane inastraightlineuntilhelosttheradiosignal thepointwherehelost exactly unknown afterthat turned back ewinasomewhatdifferentdirection until again way found second point circle based these two points foundthecenterofthiscirclei e thelocationofthemissingplan...