Wikipedia:Reference desk/Miscellaneous: Difference between revisions
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*{{tq|In particular, would an identical new aircraft nowadays receive a certificate of airworthiness? Could we build a brand-new DC-3 today and if so, would it be allowed to fly? Or do these old aircraft rely on the original certificate from the time they were built? And could we build something similarly rugged and fixable, but with more of the modern conveniences?}} Well, let me preface this by saying this can be construed as a request for legal advice, which I won't be providing. So if you're really interested in a project like this, you should probably contact a lawyer knowledgable in aerospace law in the relevant country. I've tried looking at the regulations and guidance provided by the US FAA, and got lost within seconds. You may find this guidebook (105 pages) to be a relevant introduction to the certification processes: https://www.faa.gov/aircraft/air_cert/design_approvals/media/CPI_guide.pdf I promise, however, just based on what I saw in the regulations, this is going to be a very abbreviated, simplified guide. —/[[User:Mendaliv|'''M'''<small>endaliv</small>]]/<sup><small>[[User talk:Mendaliv|2¢]]</small></sup>/<sub><small>[[Special:Contributions/Mendaliv|Δ's]]</small></sub>/ 21:46, 22 July 2019 (UTC)
:Broadly, note generally that airworthiness certification is not simply "what did you build" (a DC-3) but "how did you build it / how can you prove that you built it right". The latter is where "build a brand-new DC-3" (to say nothing of "and add modern conveniences") will call certification into question. New engines. New avionics. New electrical subsystem. New rivets (are they to proper environmental specs?). I can't say whether finding a vintage 1930s factory with everything time-period-appropriate would let you assemble a DC-3 and get certification, but I'm confident saying that you can't actually find that particular unicorn. Source: professional expertise, admittedly unvalidated. — [[User talk:Lomn|Lomn]] 15:18, 25 July 2019 (UTC)
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