Scaled Composites Proteus: The All-Composite Aircraft Built for 60,000 Feet
Updated on August 17, 2026 • 6 min read More than 25 years after its first flight, the Scaled Composites Model 281 Proteus remains one of the most unconventional high-altitude aircraft ever developed. Designed by Burt Rutan and built by Scaled Composites, Proteus combines an all-composite airframe, tandem-wing configuration, twin booms and two turbofan engines […]
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