Questions tagged [electronics]

Electronic devices including cell phones, iPads and laptops.

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45
votes
8answers
17k views

Why aren't cell phones allowed to be used in aircraft?

What problems do cell phones cause? How is using a cell phone in the air different than using it from the ground?
56
votes
6answers
14k views

Instrument landing: why do all electronic devices need to be shut off?

A few days ago, I took a flight home. Towards the end of the journey, the captain asked us to shut down any electronic device that we had on board, including iPods, CD players, phones and so on, ...
20
votes
3answers
6k views

Do pilots using an electronic flight bag need to carry paper charts?

If a pilot uses an electronic flight bag (say, an iPad with ForeFlight or WingX), are they required to carry paper charts as a backup? Do different rules apply to operations under Parts 91, 121, and ...
9
votes
4answers
873 views

If turning off electronic gadgets is so important, why are there no detectors used to find them?

It's supposed to be that electronic gadgets' emission are dangerous for airplane systems. If this is true, why don't they use any detectors to locate such emissions?
7
votes
2answers
1k views

Could a terrorist hack the ILS?

I'm reading all these reasons why consumer electronics can't be on during takeoffs and landings and one specific reference that is made over and over again is the sensitivity of the ILS equipment. I ...
5
votes
2answers
7k views

What is the encoding difference between ARINC 429 BNR and BCD formats?

I think I have an understanding of the differences between the types of ARINC word formats, but would just like to get some input to see if my understanding is correct. In the ARINC 429 specification, ...
17
votes
6answers
7k views

Do aircraft have accelerometers?

Do modern aircraft employ accelerometers or other similar equipment to measure g-forces on the aircraft? I could imagine this being used as an inspection/service indicator, particularly after hard ...
12
votes
2answers
3k views

How does new media streaming technology equate to fuel cost increase?

In regards to this article on BBC, which discusses the use of streaming technology to allow passengers to watch films/TV shows etc. on their portable devices, the following statement caught my eye: ...
10
votes
1answer
467 views

How do airliners facilitate in flight calls for mobile phones?

How does an airline facilitate in-flight calls for mobile phones? I would guess that over open water in flight calls are relayed by an on board link to a communications satellite. Such a system ...
5
votes
3answers
964 views

Can large airliners such as a 747 maneuver without electricity?

Small aircraft have the flight controls physically linked to control surfaces by some kind of cable and pulley system. For a large aircraft such as a 747, are the control systems mechanically aided ...
1
vote
1answer
198 views

How does the control-board on small drones govern their flight?

I saw this YouTube clip for a light weight drone, under a few ounces, with very impressive maneuverability. They used styrofoam for frame and taped the rotors and battery and the control chip to it. ...