Reliable Robotics closed a $160M round on April 21, Nimble Partners leading, with Boeing AE Ventures, RTX Ventures, and Sumitomo Presidio on the cap table. Valuation is nudging $1B. Bloomberg, DroneXL, and AIN all ran it the same day.
The hardware
Not a new airframe. Reliable’s Autonomy System (RAS) is a retrofit kit that bolts onto an already-certified Cessna 208B Caravan — the workhorse single-engine turboprop FedEx has flown for decades. Once installed, RAS handles the full flight envelope: taxi, takeoff, cruise, approach, landing, taxi again. No pilot on board. Remote supervisor on the ground, one operator per multiple aircraft. The company already holds US military airworthiness approval and has logged autonomous Caravan flights since 2023.
Who’s buying
200+ systems on order. FedEx is the anchor cargo customer. The US Air Force wants it for logistics. First commercial uncrewed cargo route goes live this summer — Albuquerque ↔ Santa Fe ↔ Durango, a regional feeder loop nobody wants to staff a pilot on. That’s the wedge: routes that are too thin for human crews but too valuable to cancel.
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