On 03/25/2017 10:49 PM, Russ Allbery wrote: > martin f krafft <madduck@debconf.org> writes: > >> … at least not while we're flying in airplanes where toys with bluetooth >> are taken off children (just happened…). Since the aircraft can be >> disturbed with Bluetooth, I think we have a slew of other issues anyway, >> so it's hard to see the tree in all that forest. > > Note that the second sentence doesn't really follow from the first. The > idea that this stuff interferes with airplane navigation equipment is > mostly nonsense. (I only say mostly because there have been some > *remarkable* security flaws in airplane software.) Note that it might be the airline that imposes such restrictions (see 14 CFR 91.21 (b) 5). For Lufthansa, it seems that they made it conditional on the type of plane used, which made me suspect that the aircraft manufacturer gave them something in writing for newer models. ;) That you'd ban cell phones can have technical and operational reasons. For instance you might not want people actually doing phone calls during take-off and landing (where you don't have staff to tell them off) or during flight (because it disturbs others). Apparently the FCC banned it in the US to not have fast-moving devices in the network. Even if Wikipedia shouldn't be the reference, [1] has a bit of content about that. Kind regards Philipp Kern [1] https://en.wikipedia.org/wiki/Mobile_phones_on_aircraft
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