>Gears and Wears>air travel with GPS unit
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GPS should not be a problem, if you're next to a window you may even be able to track your progress inflight (most airlines allow you to use it inflight, but not during takeoff/landing).
Remember the UK has very strict restrictions on liquids and gels in carryon luggage, basically you will have to check them.
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A Dance with Monkeys
As far as I know, anything that sends/receives signals is not allowed inflight?
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Help me understand this, because I have the same understanding. If the satellites are transmitting the signals to the universe, regardless of whether anything is out there to pick them up, what does it matter if you have a receiver on a plane? So long as the receiver does not transmit anything?
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It's my belief that a lot of this is based on rule simplification so that the flight attendants don't have to be gadget know-it-alls. Trent is right - the signals hit the plane whether someone has a receiver turned on or not. On my flight to India last year, on each of the four legs there and back a flight attendant told me to turn off my wireless mouse on my laptop. Never mind the fact that the range is about 3 feet. I made them try to explain it each time, but they repeated their mantras like robots and then I would put the mouse away.
Exactly. Turn off your wireless mouse but don't worry about that 802.11g radio in your laptop that's probably always on.
How do you thinnk the pilot knows where he is when flying over the atlantic? He has a GPS in the cockpit with him, although he will have other ways of figuring out where he is as well. I have had mine on during several flights before and none of the planes have fallen out of the sky as yet. Mobile phones will not cause the plane to drop from the sky either as there is probably at least one phone left turned on on every single flight that you take, if there was an issue with it effecting systems in the cockpit then there would be a lot more planes getting lost every day.
The not having laptops or mp3 players on during take off and landings though is more to do with reducing the number of items that are free to fly about the cabin if it gets bumpy, and that you are then able to pay attention to any emergency announcements that may be given out.
Edit: It seems that they have stopped providing it for the moment, but Lufthansa had wifi broadband available on their transatlantic routes for a while but are now waiting to sort out the ISP deal by the looks of it. clicky
Items like satellite TV and wi-fi that are being added to the aircraft are specifically engineered into the aircraft systems and must undergo testing to verify safety.
The testing is to verify that the connection remains stable throughout the flight as your are in a very fast moving object where the systems would normally be being used whilst stationary on the ground for the satellite TV and ISP connections.