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The World’s Largest Electric Aircraft Just Flew

Y Combinator · Sep 01, 2026 · Other Signals

Hart Aerospace's electric aircraft is the world's largest by a factor of two.

“It's surreal. Yeah. I came to YC with that 3D printed plane uh that was like this this size and now it's you know 100 foot wingspan hurdling down the runway doing taxi testing.”

YC-backed Hart Aerospace has flown the world's largest electric aircraft, a 100-foot wingspan plane with a $5 electricity cost for takeoff. The successor ES30 will fly 125 miles on battery alone. This is a hardware/aerospace story with no meaningful AI signal.

electric aviation YC portfolio hardware clean energy aerospace

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