https://www.ainonline.com/aircraft/gulfstream-g400-g500-g600
Gulfstream G400/G500/G600 | Aviation International News
Aviation International News is the industry's best read and most authoritative news publication, covering all aspects of aviation: business, military and...
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https://aviationweek.com/business-aviation/gulfstream-g400-new-business-jet-works
Is Gulfstream G400 New Business Jet In The Works? | Aviation Week
Gulfstream Aerospace appears to be developing a business jet to fill the niche between the $24 million G280 and the $44 million G500, Cowen and Co. analyst Cai...
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