Heart Aerospace vs REGENT
Side-by-side comparison of AI visibility scores, market position, and capabilities
Heart Aerospace develops hybrid-electric regional aircraft to electrify short-haul commercial flights, backed by United Airlines, Mesa Air, and Bill Gates.
About
Heart Aerospace is a Swedish electric aviation company founded in 2018 that is developing the ES-30, a hybrid-electric regional aircraft designed to carry 30 passengers on routes up to 400 kilometers. The company is targeting the regional aviation segment where short routes and lower utilization requirements make electric propulsion more economically viable than long-haul jet operations. Heart raised over $100M with backing from United Airlines Ventures, Mesa Air Group, and Breakthrough Energy Ventures, which is funded by Bill Gates. The ES-30 uses a hybrid-electric powertrain with electric motors for takeoff and climb and turbine generators for cruise, allowing the aircraft to operate on existing airport infrastructure while achieving significant emissions reductions compared to conventional turboprop aircraft. Heart is targeting EASA and FAA type certification and has a memorandum of understanding for orders from regional airline partners. The company is based in Gothenburg, Sweden and leverages the European aviation regulatory environment and government support for green aviation technology development.
Rhode Island all-electric seaglider maker flying in ground effect at 180+ mph for coastal routes; YC W21 $90M Founders Fund/8090-backed with $8B+ in orders from Japan Airlines and Mesa Airlines for 2026-27 delivery.
About
REGENT is a North Kingstown, Rhode Island-based aerospace and maritime company — backed by Y Combinator (W21) with $90 million raised including a $60 million Series A co-led by 8090 Industries and Founders Fund in October 2023 with strategic investments from Japan Airlines and Lockheed Martin — developing and manufacturing all-electric seagliders, a new vehicle category that combines the speed of aircraft with the simplicity of boats by flying in ground effect (within one wingspan of the water surface) on hydrofoils, enabling 180+ mph zero-emission coastal transit over water at costs competitive with ferries. Founded in 2020 by Billy Thalheimer and Mike Klinker (MIT aerospace engineers), REGENT has secured over $8 billion in commercial orders for 500+ seagliders from operators including Mesa Airlines, Brittany Ferries, and Pacific Basin Ferry, with deliveries expected to begin in 2026-2027.
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