Autonomous aviation startup Reliable Robotics raises $115M, topping $1B valuation

Sethwinterroth · x · 2026-10-21

Per TechCrunch, autonomous flight startup Reliable Robotics closed a Series D extension: $115M in equity led by Nimble Partners plus $25M in debt from Silicon Valley Bank, pushing its valuation past $1B. The Series D now totals $275M, with $380M raised to date.

The company has spent nearly a decade building autonomous flight technology that retrofits existing aircraft and is inching toward a critical FAA certification milestone, according to CEO Robert Rose. The poster notes tech, regulation and commercial traction are all inflecting at once.

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