The F.A.A. then told me that 'two iPads are very different than 200. But experts at EMT Labs, an independent testing facility in Mountain View, Calif., say there is no difference in radio output between two iPads and 200. 'Electromagnetic energy doesn’t add up like that,' said Kevin Bothmann, the EMT Labs testing manager.
Since you can use your iWhatevers for the entire flight once you reach cruising altitude I don't understand why you would complain about the 10 minutes at the beginning and end.
This paper outlines the recent effort in determining the receiver susceptibility thresholds for ILS, VOR and GPS systems. The effort primarily consists of analysis of data available openly as reported in many RTCA and ICAO documents as well as manufacturers data on receiver sensitivity.
The Aviation Safety Reporting System (ASRS) database was reviewed for incident reports involving interference to avionics from portable electronic devices (PEDs). There were 125 incident reports identified. Examination of these reports revealed a wide variety of affected avionics, predominately navigation. A diverse group of passenger electronics is mentioned, primarily cellular phones and laptop computers.
Is it at all possible that a smartphone or tablet could be maliciously altered and programmed to produce disruptive signals causing a crash? My premise is that normal phones etc are fine, but that the device could be repurposed in some way. Once the devices are accepted during take-off and landing, is there a scenario where they are altered to produce disastrous effects?
You don't have enough information to know that - just because it hasn't happened yet doesn't mean it cannot. The best information we have is that the potential exists - and that dying in preventable airplane crashes sucks.
I don't understand the fuss. I mean I get the point about arbitrary and stupid rules designed by and for people who like rules; and I certainly get the joy of railing about them - I'm wearing my white shoes right now and it is well after labor day! - but this is a dumb hobby horse to ride on.
Take off and landings are when you should be paying the most attention to what is going on around you - those are the most critical times of every flight, and if something goes wrong you may very well need your wits and attention about you.
Put your phone away. You're not that important.
We had submitted to the inconvenience of turning off our phones, so why couldn't they? It's no surprise to me that people get punched in the nose in such situations.
Hold your powerswitch several seconds until the screen blanks.
To turn off your Kindle completely, slide and hold the power switch for four seconds, then release. The Kindle screen will blank and the device will turn off.
Operators of commercial airplanes have reported numerous cases of portable electronic devices affecting airplane systems during flight. These devices, including laptop and palmtop computers, audio players/recorders, electronic games, cell phones, compact-disc players, electronic toys, and laser pointers, have been suspected of causing such anomalous events as autopilot disconnects, erratic flight deck indications, airplanes turning off course, and uncommanded turns.
1998, 747 airplane.
A passenger’s palmtop computer was reported to cause the airplane to initiate a shallow bank turn. One minute after turning the PED off, the airplane returned to "on course." When the unit was brought to the flight deck, the flight crew noticed a strong correlation by turning the unit back on and watching the anomaly return, then turning the unit off and watching the anomaly stop. Boeing was not able to purchase the actual PED, but contacted the PED manufacturer and purchased the same model. Boeing laboratory emission testing revealed that the unit exceeded Boeing airplane equipment emission levels by up to 37 dB by demonstrating energy levels in the frequency range of 150 to 700 kHz. In the Boeing navigation laboratory the unit was placed next to the FMCs, control display unit, and integrated display unit, but the reported anomaly could not be duplicated.
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