Lilium
Building electric aircraft that take off vertically is extraordinarily hard. Even $1B and ex-Airbus engineers weren't enough.
2015 → 2025
$1B+
Aviation/eVTOL
Germany
IdeaProof AI Failure Score
What Happened: The Timeline
2015
Lilium founded in Munich by ex-Airbus engineers
2021
Goes public via SPAC at $3.3B valuation
2024
Certification timeline slips, cash burn accelerates
2025
Declares insolvency
Root Causes
Lilium raised over $1B to build electric vertical takeoff jets for commercial air travel. Despite partnerships with Hyundai and ex-Airbus engineering talent, the company couldn't achieve satisfactory flight performance or obtain regulatory certifications. The aviation industry's certification timelines — 5-10 years minimum — clashed with startup funding cycles. Lilium declared insolvency in 2025.
Sources & References
Could This Failure Have Been Prevented?
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