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13.10.2026 · 12:32 · Aviation

FAA selects Heart Aerospace for $2.9 million CLEEN award for ES-36 hybrid propulsion development

Heart Aerospace said it received a $2.9 million FAA CLEEN award to advance the ES-36’s series-hybrid propulsion system. The funding is intended to support development of a megawatt-class turbogenerator.

FAA selects Heart Aerospace for $2.9 million CLEEN award for ES-36 hybrid propulsion development

Heart Aerospace said the FAA selected the company for a $2.9 million CLEEN award.

The award is intended to advance development of the ES-36 hybrid propulsion system, specifically through a megawatt-class turbogenerator.

According to Heart Aerospace, the ES-36 uses a series-hybrid propulsion system. The company did not provide additional details in the source text.

SourceHeart Aerospace · Tier A ↗Source publication time: 12 Oct 2026 · 12:00