Boeing's forgotten Dreamliner

Before making the 787, Boeing launched a project for a high-speed delta-wing jet capable of Mach 0.98. Key Aero reveals the story of the Sonic Cruiser, which ended up being dropped in favour of the Dreamliner

As the world entered a new millennium, ambition was high in the aviation industry as companies began launching bold and impressive projects.

In Europe, Airbus went big and unveiled its A380 to much fanfare from the industry. Shortly after its rival’s launch, across the pond Boeing revealed its Sonic Cruiser on March 29, 2001.

Boeing Sonic Cruiser
The Boeing Sonic Cruiser was designed to be a delta-wing high-speed aircraft. Boeing and Wikimedia Commons

The company had recently withdrawn its proposed 747X variant from competition with the A380 because there was little interest from airlines, and instead proposed the Sonic Cruiser as a completely different answer.

Airbus A380
Boeing withdrew its proposed 747X variant ahead of the launch of the Airbus A380. Airbus

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