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We can all agree that a four-seater Cessna and 767 are very different, but for nav/comm they all use the same instrument systems. Unlike a Cessna, a 767 has a
by a-priori 16y ago
We can all agree that a four-seater Cessna and 767 are very different, but for nav/comm they all use the same instrument systems.
Unlike a Cessna, a 767 has a fly-by-wire system supported by a data bus (e.g. ARINC-429) running the length of the aircraft, often close to the passenger cabin. Presumably, GSM/CDMA signals could interfere with this.
- artmageddon 16y agoI'll admit that I wasn't aware of this, but on the same token, would that portion of the electronics not be shielded as well?
- joezydeco 16y agoThe 767 was first built in 1981, long before everyone in the passenger cabin was emitting microwave-class RF radiation. The plane itself serves as a very large shield to outside radiation, but I'm guessing the internal wiring is not RF-shielded because of weight concerns. Wonder how much it costs to rewire a 30 year-old plane.
- bl4k 16y agoIt cost $368 Million when the FAA forced operators to replace Mylar insulation (cause of at least two accidents): http://findarticles.com/p/articles/mi_m0UBT/is_10_19/ai_n12941245/ http://findarticles.com/p/articles/mi_m0UBT/is_10_19/ai_n129... According to this very interesting IEEE article, it costs anywhere from $1-5M per airplane, which doesn't include lost business cost: http://spectrum.ieee.org/aerospace/aviation/down-to-the-wire/0 http://spectrum.ieee.org/aerospace/aviation/down-to-the-wire...
- borism 16y ago767 doesn't have fly by wire - 777 was the first passenger Boeing to get it. But it does have a lot of wiring.