High-Speed Aircraft Noise Levels Debated
By Graham Warwick .
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![]() E The financial commitment to tackle the technical challenges of developing an economically and environmentally viable ... |
![](http://images.aviationnewsrelease.com/Home/aviation_news_release_4a.jpg)
By Graham Warwick .
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|
![]() E The financial commitment to tackle the technical challenges of developing an economically and environmentally viable ... |