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Since pilots are permitted to communicate in their own language to eachother in the cockpit, and to ATC in their own country, it stands to reason that some warning systems like TCAS or TAWS/EGPWS might say "te laag, terrein!"

I've seen some Russian planes with everything written in Russian in the cockpit:

Do any aircraft have systems that give spoken warnings or callouts in languages other than English?

Are any planes built with the option to change the spoken language? E.g. an Airbus talking French?

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    $\begingroup$ that looks like a screencap from a simulator... $\endgroup$ – ratchet freak Apr 18 '14 at 12:59
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    $\begingroup$ I'm almost positive I've heard of an Airbus speaking French, but I haven't been able to confirm that... $\endgroup$ – voretaq7 Apr 22 '14 at 5:33
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    $\begingroup$ I would expect that planes mainly in use in the chinese and russian market are sold with options for "native" languages... $\endgroup$ – Reinstate Monica - M. Schröder Apr 23 '14 at 18:01
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    $\begingroup$ This reminds me of Firefox. $\endgroup$ – Keep these mind Apr 27 '14 at 8:00
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    $\begingroup$ @DavidRicherby sadly a lot of people are so US centric that they simply won't believe anything non-American exists... $\endgroup$ – jwenting Apr 28 '14 at 11:06
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I am quite sure that the systems that provide audio warnings for commercial aircraft, such as enhanced ground proximity warning computers, provide English Only. I am pretty sure because on the wiring diagrams there are no kind of dip-switches for language selection and for loadable software it is tightly regulated without any 'language selection' options. One could imagine that separate part numbers are created for different languages but I know this is also not case case as international carriers share/pool spare black boxes. Basically aviation language is English.

I also see no future provision for other languages as it was only recently in 2008 that ICAO mandated English for all international flights (Amendment 164 to Annex 1 ). Under this ruling Air Traffic Controllers and Flight Crew Members engaged in or in contact with international flights must be proficient in the English language as a general spoken medium.

Regarding Airbus (and the love that the French have of their language) we might do well to know that actual official language of the Airbus company is surprisingly to some 'English.'

Of course I can't comment on military applications much. Actually, I was previously slightly involved in supporting a military aircraft and from what I can tell they use many modified versions of the same components commercial aircraft do. At least for US, British or French allies, who are allowed to import the technology. However, they are modified directly by the customer to be more security tolerant. For example, a military aircraft might not be transmitting its location around the globe unless the receiver has a decoding ability to a secure military key. So even in the small exposure I have encountered with military applications, I have not encountered or heard of 'language options.' This is not to say that some Chinese or Russian might be heard in some remote aviation system somewhere but that if it does outside their aerospace industries it must be rare and still a 'one language' only feature. Possibly there are missile guidance systems in Russian, Chinese, or Korean but certainly not in international commercial aviation.

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    $\begingroup$ This answer seems to mostly assume that the whole world is Europe and the USA. Russia and China build a lot of aircraft, both civilian and military. I for one would be surprised if the non-export versions of those aircraft give spoken warnings in English. A possible contributing factor to the crash of CrossAir 498 was that Russian artificial horizons work in the opposite way to Western ones. That's one example of Russia not following Western conventions; why should we assume it follows others? $\endgroup$ – David Richerby Apr 27 '14 at 11:30
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    $\begingroup$ @DavidRicherby - Yes. I am really only answering the narrower question (i.e. major aerospace suppliers to actual international carriers). This is really part 2, of this very wide open original entitled question. $\endgroup$ – esé Apr 27 '14 at 14:22

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