03-26-2013, 09:05 PM | #16 |
A Hairy Wizard
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It's about time...
As a pilot, my company issued me an ipad so we could have our electronic publications (approach plates, departure procedures, and enroute charts) available ALL the time...kind of hard to takeoff/land the airplane when you have to turn off your device below 10,000 ft! And that i already approved by the FAA! So, yes, it is silly to say that electronics can't be used. However, I can attest through personal experience (when someone forgot to turn off their cell phone...not me honest ) that cell phones DO interfere with some of the aircraft systems. Most noticeably the radios start cutting out and you get weird beeping sounds on the frequency. I haven't seen the heading bug start spinning or the aircraft start a descent uncontrolled because of it, but you never know exactly what the effects are. One or two cell-phones/ 3G/4G devices not turned off...probabaly not a big deal....100 of them, could cause issues. So how does the flight attendant make sure everyone has their devices tuned to "airplane mode"?? Especially when it's obvious that some people *cough*usuallee*cough* don't bother following the rules that are there...because they don't think they should have to. It'll be interesting to see how it plays out. Last edited by Turtle91; 03-26-2013 at 09:08 PM. |
03-26-2013, 09:15 PM | #17 | |
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Quote:
If I really thought there was even a hint of danger or hassle for anyone, I wouldn't do it. I'm really a rather mild mannered guy, believe it or not. And incidentally, am no bother at all to flight attendants. Last edited by usuallee; 03-26-2013 at 09:47 PM. |
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03-26-2013, 09:19 PM | #18 |
A Hairy Wizard
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It's always the nice guys that don't know what they don't know that cause the problems....lol
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03-27-2013, 11:35 AM | #19 | |
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Harry's rule breaking doesn't put other peoples lives at risk if his opinion is wrong/flawed. Nobody will die because he stripped DRM from a book he's bought. Whilst I agree with you that devices in airplane mode should be fine, since interference is a complex topic I'm also willing to accept the possibility that my knowledge may not be complete and until experts in the field say it's fine to use them, I'll abide by cabin staff instructions and I would hope most other people will do so too. As for the rest of my thoughts on this subject, I've already hashed them out several times in previous airline threads so I'm not going to go there again |
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03-27-2013, 11:59 AM | #20 |
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Again; if these devices truly posed a threat, they'd be confiscated, turned off, and placed inside checked baggage.
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03-27-2013, 12:10 PM | #21 | |
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03-27-2013, 12:41 PM | #22 | |
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If turning on a cellphone always caused a problem and could be shown to bring planes down, then it'd be treated as a similar threat level as trying to take a bomb on board a plane. Nobody would be allowed to take one onboard whether it was turned off or not. In reality, they fall into the, most likely not going to cause a problem even if someone has deliberately modified it or leaves one on. So risk wise there's no need to totally ban them, but we're not 100% sure that even unmodified devices are going to be totally safe, so for now lets try to get them all turned off during flights (or at least the parts we're worried about). As more research is done, the risk levels will be re-evaluated and change much as we're seeing with the usage of electronic (non-transmitting) during take-off/landing. IOW until we know enough to be confident in any decision, err on the side of caution. |
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03-27-2013, 12:42 PM | #23 |
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03-27-2013, 02:52 PM | #24 | |
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Transmitters are the biggest risk because they are of relatively high power. Many people don't realize that some receivers also create radio frequency noise. An example is heterodyne receivers, since they use an intermediate frequency before demodulating the signal. Heck, any electronic device will emit electromagnetic radiation. That's why so many devices carry FCC approval. On top of that, poorly designed equipment can create spurious signals at unintended frequencies. Look up radio harmonics for one such example. I'm not going to pretend that I understand everything here because it is a complex subject that I haven't dealt with in a rather long time. Organizations like the FAA have a better understanding of the issues, so I'm willing to take their word on such matters. I am not willing to accept the word of people who feel inconvenienced by the regulations, and are unlikely to understand how electricity works. |
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03-27-2013, 03:02 PM | #25 |
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03-27-2013, 03:40 PM | #26 |
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03-27-2013, 05:36 PM | #27 |
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Interesting discussion--but if they didn't have the ban, I wouldn't have found so many cool things in Skymall!
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03-28-2013, 02:21 PM | #28 |
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I’m reminded of a story that our Frequency Manager used to tell. It seems that different countries have different frequency allocations. An example; the same frequency that RC model airplanes in the US use is used by the Japanese military for another purpose. So when American servicemen are stationed in Japan, they’re not supposed to use their model airplanes.
It seems that one uninformed soldier sent his gear to his new assignment in Okinawa, and decided to go virtual flying one weekend. He was happily flying around the base when the Japanese fired up their military transmitter at high power. The military signal jammed his controls, and he lost control of his model; it just flew away until it ran out of fuel. As luck would have it, the plane flew off the base and crashed into the windshield of a Japanese civilian man, who was so startled that he lost control of his car, crashed and was seriously injured. Wallah! Instant international incident! I’m not sure what happened to the soldier, but I’m pretty sure it wasn’t good. Moral of the story: What you don’t know can hurt you and others. I don’t know what spurious EM emissions can do to a planes avionics, but it’s not really much of a burden to just turn them off when people who are much smarter than me say I should. |
03-29-2013, 12:22 PM | #29 |
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Depends on how early it is & whether or not I've had my coffee. If it's 0-dark-thirty & I'm coffeeless then I won't guarantee the safety of anyone who irritates me. But I doubt I'll be shooting anybody on a plane-I know how easy it is to sneak a gun thru 'security' but it's not guaranteed. I don't want it confiscated (with my luck I'd be the one they catch even if every other passenger was also packing) & I don't see any great need so I simply don't try to carry a gun aboard a plane. So no shooting of messengers, I can be pretty certain of that.
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03-29-2013, 12:24 PM | #30 |
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