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Dec. 15, 2006 - Skeptoid
11:04
Skeptoid #14: Cell Phones on Airplanes

Cell phones are perfectly safe on airplanes, despite continued claims of danger. Learn about your ad choices: dovetail.prx.org/ad-choices

Transcriber: nvidia/parakeet-tdt-0.6b-v2, sat-12l-sm, and large-v3-turbo
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Time Text
Cell Phones vs Aircraft Safety 00:09:54
Depending on when and where you're listening to this episode, flight attendants might tell you that your mobile phone must be powered off for the entire flight.
The reason being that it can dangerously interfere with the aircraft's electronics.
But if this were true, they wouldn't be allowed on board at all, just like dynamite's not allowed on board.
So, what's the deal?
Cell phones on airplanes is today on Skeptoid.
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Cell phones on airplanes.
Today we're going to fly up to 40,000 feet, flip open our cell phone, and call the Twilight Zone to tell them we're doing something that's supposed to be deadly dangerous.
I love MythBusters, and it's my whole family's favorite show, but with their episode on the cell phone ban aboard aircraft, they did a disservice to those of us who hope to get this groundless ban dropped.
In case you missed it, they did a test and concluded that cell phones can potentially interfere with an aircraft's navigation system.
The only instrument they tested was a radio direction finder called a VOR, which detects a radio beam coming from a ground station and points its direction.
In practice, VOR is on its way out in favor of GPS.
VOR stations are each assigned a unique frequency in the VHF range between 108 MHz and 117.95 MHz, which is right above the FM radio frequency range.
By contrast, the lowest frequency used by any U.S. mobile telephones is 700 MHz, and European mobile telephones, 450 MHz.
Since the frequencies are so incredibly different, the whole debate is ended right there for all practical purposes.
MythBusters used an older VOR receiver that could be tuned to receive a much broader range of frequencies, which is why they were able to detect the mobile phone signal.
To be more responsible, they should have admitted that this frequency was wildly different than what any aircraft might possibly tune to.
As it was, they left viewers with an inaccurate and alarmist impression.
MythBusters called the myth plausible.
No, it's really not plausible.
A cell phone cannot affect an aircraft's navigation instruments in the real world, and we'll have more on that in a moment.
Maybe if you threw a cell phone really hard at the GPS, you could break something.
So this raises an obvious question, why aren't cell phone calls allowed on airplanes if there's no harm in it?
The real reason has nothing to do with the FAA.
It comes from the FCC, the Federal Communications Commission.
It has nothing whatsoever to do with safety or security.
When you're seven or eight miles up in the air, your phone can hit any of hundreds of cell towers, and there is supposition that this could cause a problem.
As we know from 9-11, cell phones work fine from the air, but nevertheless, the FCC has enacted a law making it illegal to operate a cell phone in a commercial plane that's not touching the ground.
I've used mine from general aviation aircraft on a number of occasions and never had a problem either.
A non-profit called RTCA is the federal advisory committee for the FAA, and their report finding that cell phones pose no risk to aircraft safety is detailed in their report DO235A, Assessment of Radio Frequency Interference Relevant to the GNSS.
The only law that the FAA has is in support of the FCC law.
Boeing and Airbus routinely bombard their aircraft to harden them against every conceivable type of attack, physical and electronic, certainly including cell phone signals.
If cell phones had the potential to endanger an aircraft, you'd be allowed to bring them on board in the same way as you bring dynamite on board, meaning not at all.
All other devices that you're not allowed to use during takeoff and landing, PDAs, video games, iPods, laptops, are not restricted by either the FAA or the FCC.
You'll find authority for this in RTCA document DO233, Portable Electronic Devices Carried on Board Aircraft.
These rules are arbitrary and are invented by the airlines without any legal authority.
It is their plane and they're within their rights to make whatever rules they want, but travelers should know that there are no laws against using these devices at any time and that the research has been conducted and the devices have been demonstrated to be safe.
Feel free to put this on the comment card next time you fly.
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You can even use the telephone.
I know that might sound crazy.
It's an old legacy device that allows real-time voice communication.
I know that's weird, but hey, it's an option.
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When you listen to the flight attendants explain the rules, it's clear that their training includes a simple mention that portable electronics and cell phones represent a danger.
The trainers probably believe it, and the flight attendants have no reason to question what they've been told.
If you've ever wondered how your 1.5-volt LCD Palm pilot could be so dangerous, you are on the right track.
When you hear something that sounds far-fetched, be skeptical.
So what's the deal?
Are men in black secretly going from airline boardroom to boardroom, handing out corporate welfare payments in exchange for the promise to support the government's evil plan to convince us all that we're on the brink of destruction?
Are there paranoid, overcautious, or ignorant policymakers in charge at all the airlines?
Personally, both of those are a little too conspiracy theory for my taste, but I also think there might be a small element of truth in each.
Take the example of the terrorist train bombing in Madrid in March of 2004.
The bombs were set off by cell phone calls, since cell phones are easy to get and are reliable.
One reaction, which thankfully has not been put in place so far that I've seen, was the immediate proposal to jam cell phone signals anywhere that was bombable.
Airports, national monuments, stadiums, train stations.
Was this a logical reaction?
No.
If the bombers couldn't have used cell phones, they would have used walkie-talkies from Radio Shack.
If they couldn't have used those, they would have used mechanical wind-up clocks attached to detonators.
If they couldn't have used those, they would have used slow-burning fuses.
There are a million ways to set off a bomb, and no law can prevent it from happening.
Any reasonable person understands this.
Unfortunately, our politically correct, alarmist, liability, hysterical culture demands that government do something.
The culture doesn't know or care whether it's logical or makes any difference.
Our culture sleeps better knowing that Big Brother is babysitting.
Satisfy the public's emotions, and you have a happy population.
I guarantee you that Osama bin Laden is not rending his garments in despair over all his plans being ruined now that Americans aren't allowed to bring a bottle of water on board a plane.
It's a useless and inconvenient law, but it shows that government cares.
And our culture is willing to be walked all over and curtailed in any way necessary to feel protected.
I think the cell phone ban on airplanes is just another example of this.
Big Brother has cultivated and nourished a supposed danger and leveraged it into another opportunity to babysit.
Now I promise you that I'm not a conspiracy theorist and I'm not some paranoid anti-government guy who thinks the government is out to get us.
But I can't think of a better explanation for the absurd in-flight cell phone ban than the one I've just given.
If you can, I welcome your comments on the website.
You're listening to Skeptoid.
I'm Brian Dunning from Skeptoid.com.
Big Brother's In-Flight Ban 00:01:06
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