SpaceX alum’s aviation startup, Reliable Robotics, lands $115M, topping $1B valuation
Reliable Robotics has raised $115 million, taking its Series D to $275 million and its valuation above $1 billion. The Mountain View startup is developing autonomous flight technology for existing aircraft, and the funding will support its effort to secure Federal Aviation Administration certification.
The latest financing includes $90 million in equity led by Nimble Partners and $25 million in debt from Silicon Valley Bank; the company has raised $380 million in total. Its first system would automate engine start-up, taxiing, take-off and landing while a pilot remains on board, with certification expected in 18 to 24 months. The company is also developing technology for remote piloting and collision-avoidance radar, and operates a cargo airline with six Cessna Caravans.
- Reliable Robotics raised $115 million and surpassed a $1 billion valuation.
- Its Series D now totals $275 million.
- The company is pursuing FAA certification for autonomous flight systems.
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Reliable Robotics is a US company developing systems to automate parts of flying in existing aircraft. Its first system is designed to handle tasks from starting the engines to landing, while a pilot remains on board.
The company is led by people with experience in aviation and technology, including a co-founder who previously worked at SpaceX. It also runs a cargo airline using Cessna Caravan aircraft, a small plane commonly used for regional transport.
To operate commercially, new aircraft systems must meet safety rules set by the Federal Aviation Administration, the US aviation regulator. Certification is a key step for companies developing automated flight, and the technology could affect how cargo and other regional flights are operated.
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The strongest fair case each way — we don't pick a winner.
The case for
Autonomous systems could make routine flight operations more consistent, reduce some human-error risks and help address pilot shortages, while allowing existing aircraft to be adapted rather than replaced. If FAA certification confirms the system is safe, the investment could support a practical route to broader use and more efficient cargo operations.
The case against
Automating take-off and landing raises demanding safety and accountability questions, especially if systems fail or conditions fall outside what they were designed to handle. A billion-dollar valuation and substantial funding may also reflect expectations that outpace what certification and real-world performance can yet establish, so cautious oversight and evidence should take priority over rapid deployment.
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