We all know that phones have now been proven NOT to interfere with aircraft systems
Not if you read this:
February 28, 2006 A study by Carnegie Mellon University researchers in the Department of Engineering and Public Policy (EPP) has found that cell phones and other portable electronic devices, like laptops and game-playing devices, can pose dangers to the normal operation of critical electronics on airplanes. The study will be featured in an article appearing in the March issue of IEEE Spectrum.
“We found that the risk posed by these portable devices is higher than previously believed,” said Bill Strauss, who recently completed his Ph.D. in EPP at Carnegie Mellon. “These devices can disrupt normal operation of key cockpit instruments, especially Global Positioning System (GPS) receivers, which are increasingly vital for safe landings.” Strauss is an expert in aircraft electromagnetic compatibility at the Naval Air Warfare Center in Patuxent River, Md.
Full report