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NewsPoster May 15, 2013 05:15 PM
Pilot blames compass malfunction on iPhone interference
An iPhone has been blamed for a navigation error during a commercial airline flight in 2011, fueling the ongoing debate surrounding in-flight device usage. According to a <em>Bloomberg</em> <a href="" rel='nofollow'>report</a>, an unnamed regional airliner experienced compass malfunctions when climbing past 9,000 feet, sending the aircraft off course until a flight attendant asked a passenger to turn off an iPhone.<br />
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"In my opinion and past experience the cellphone being on and trying to reconnect to the towers on the ground, along with the location of row 9 to the instrumentation in the wing caused our heading to wander," the pilot noted in a report (<a href="" rel='nofollow'>PDF</a>) submitted to NASA's Aviation Safety Reporting System. "The timing of the cellphone being turned off coincided with the moment where our heading problem was solved."<br />
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Despite the anecdotal report, formal studies disagree on the potential interference from cellphones and other electronic devices. Boeing acknowledges reports of instrument malfunction thought to be caused by portable electronic devices (PEDs), however the aircraft manufacturer's internal <a href="" rel='nofollow'>investigations</a> have failed to find a "definitive correlation" between the equipment anomalies and device usage.<br />
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The Federal Aviation Administration in 1991 established regulations prohibiting passengers from using cellphones during flights, though the agency cites "potential interference with ground networks" as the primary <a href="" rel='nofollow'>reasoning</a> for the restrictions. The Commission considered modifying the ban in 2004, though the proposal was later withdrawn. Airlines can still apply for an exemption, however, after demonstrating non-interference for particular devices used inside specific aircraft models.
Flying Meat May 15, 2013 05:52 PM
No, pilot. You heading problem was not solved. Postponed is about all we can say.
ElectroTech May 15, 2013 08:27 PM
Pilot's inattentiveness was solved coincidently when the iPhone was turned off. Pilot blames iPhone because he was not big enough to admit his fault.
Foaming Solvent May 15, 2013 09:01 PM
A brand-new piece of electronic equipment probably won't interfere with an airplane's avionics. A repaired piece of electronic equipment can buzz like a fluorescent light with a bad ballast. This is not the first time a piece of electronic equipment has been demonstrated to interfere with avionics. Unless and until the provenance of every piece of electronics can be known, the below-10000-feet restriction on use of electronic devices is a wise compromise.
Tanker10a May 16, 2013 09:28 AM
Foaming Solvent,
You cannot be serious...Really?!
An iPhone device can throw off the aircraft's navigation systems to the level of interfering with its Heading? I truly beg to differ. Then what on earth has NASA been doing all these years researching this issue?
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