Los Angeles Pilot Plant
Torrance, CA
Company
Meet Heart Aerospace.
Who we are
- Founded in 2019. Member of Y Combinator’s W19 batch.
- Headquartered in Torrance, California, in the heart of the LA aerospace ecosystem.
- Backed by $190 million in mission-aligned capital supporting next-generation aviation.
What we do
- Developing hybrid-electric airliners to bring commercial aviation into the electric era.
- Using electrification to lower aircraft operating costs and reset the economics of flight.
- Building toward a future of abundant air travel, with more affordable, frequent and cleaner flights from airports closer to home.
How we work
- Iterative development model focused on rapid learning and validation.
- Continuous testing and real-world demonstrations to mature the concept.
- Progressive validation path toward ES-30 certification and entry into service.
Where we work
Propulsion Test Site
Oxnard, CA
X1 Flight Test Base
Plattsburgh, NY
Milestones
A journey toward electric flight.
Y Combinator
Heart Aerospace joined Y Combinator’s W19 batch. It is one of YC’s few hardtech companies.
Read article
Hangar Day 2020
Our first Hangar Day, showcasing progress on the ES regional aircraft concept to airlines, investors, and the world.
Series A fundraise
Raised $35M Series A led by Bill Gates’ Breakthrough Energy Ventures, with strategic investment from United Airlines and Mesa Air Group.
Read article
First subscale test flight
Validated the flight characteristics and electric propulsion performance of the ES regional aircraft using a subscale demonstrator.
Read article
Hangar Day 2022
Unveiled the ES-30, Heart’s first production aircraft.
Series B fundraise
Raised $107M Series B to build the Heart X1 demonstrator and advance the ES-30 program.
Read article
LA R&D Center opening
Opened our Los Angeles R&D center to tap into the region’s world-class aerospace and engineering talent.
Read article
Rollout of the Heart X1 demonstrator
Unveiled Heart X1, a full-scale demonstrator representative of the ES-30 regional airliner configuration.
Read article
Hangar Day 2024
Welcomed airlines, investors, partners, and regulators inside Heart’s hangar for a close-up look at X1 and the company’s path ahead.
X1 ground service tests
Completed ground handling and charging tests to validate how electric aircraft will integrate into airline operations.
US flight test base established
Established our X1 flight test base at Plattsburgh, NY, marking the start of the demonstrator flight test campaign.
Read article
Headquarters move to Los Angeles
Relocated Heart’s corporate headquarters to Los Angeles, anchoring the company in the world’s leading aerospace ecosystem.
Read article
LAPP comes online
Launched the Los Angeles Pilot Plant, Heart’s pre-production aircraft manufacturing facility.
X1 first flight
First flight of Heart X1, the largest electric aircraft ever flown.
