RobotRisk Autonomous Systems Incident & Risk Register
RobotRisk / drones evtol / Lift Aircraft

Lift Aircraft

Products: evtol. Risk band: Low   RobotRisk index 14.1/100 (incidents/exposure, time-weighted) · 92th percentile of 171 drones evtol companies.

Analyst brief

The record holds a single entry: a mechanical failure in the Hexa eVTOL aircraft during a public demonstration at the Osaka World Expo, severity 3, which halted the demo flight program. One entry with no prior history represents an isolated event rather than a pattern. The failure occurred in a public exhibition context rather than a certified passenger-carrying operation, and the record is press-reported with no indication of regulatory action. Index 14.2 and the 92.9th percentile place Lift Aircraft in the low band.

Entries by year and severity

012025 S3: 1125
S1S2S3S4S5

By incident type

By severity

RobotRisk index vs drones evtol alternatives

Comparisons over time

RobotRisk index over time

Yearly entries vs category average

malfunction over time vs category

Incident log (1 unique incidents)

SevDateTypeLocationIncidentSource
S304/26
2025 · ~15:00
malfunction Osaka, JapanHexa eVTOL suffers mechanical failure at Osaka World Expo, demo flights halted Aviation International N

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