https://www.ainonline.com/aviation-news/business-aviation/2015-01-05/helicopter-speed-record-breaker-dies
Helicopter Speed Record Breaker Dies | Aviation International News
Trevor Egginton broke the speed record for conventional helicopters on a closed course on Aug. 11, 1986.
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https://www.ainonline.com/aviation-news/business-aviation/2013-06-11/eurocopter-x3-sets-unofficial-helicopter-speed-record
Eurocopter X3 Sets Unofficial Helicopter Speed Record | 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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