Startup · United States
Astro Mechanica
HQ San Francisco, United StatesFounded 2021
Astro Mechanica is revolutionizing aviation with its Electric Adaptive Engine, a groundbreaking jet engine that maintains efficiency across both subsonic and supersonic speeds. This innovation enables the development of aircraft capable of launching payloads into orbit at significantly reduced costs and achieving passenger flight speeds three times faster than current airliners. By reimagining engine design, Astro Mechanica is poised to usher in a new era of rapid and efficient air travel, transforming global connectivity.
Funding3 rounds · $30.1M
- Disclosed
- $30.1M
- Latest
- UndisclosedSeries A · Aug 20, 2025
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Aug 20, 2025 | Series A | Undisclosed | — | United Airlines Ventures | Alumni Ventures | Reported |
| Apr 17, 2025 | Series A | $27.1M | — | Andreessen Horowitz, Giant Step Capital, Lowercarbon Capital | Alumni Ventures | Reported |
| 2024 | Seed | $3.0M | — | Andreessen Horowitz | Y Combinator | Reported |
- UndisclosedAug 20, 2025
- $27.1MApr 17, 2025
- $3.0M2024
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
People1
Hiring observations15 listings
San Francisco · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Observed Oct 5, 2026
San Francisco · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Denver · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Mission Operations (MOPs) Lead ↗
San Francisco · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Observed Oct 5, 2026
Observed Oct 5, 2026
San Francisco · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
San Francisco · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
San Francisco · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Flight Software Engineer ↗
San Francisco · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Denver · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
San Francisco · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Observed Oct 5, 2026
San Francisco · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Sources7
Profile2
- 1
- 2
Black Flag · Supports Organization
“A San Francisco-based aerospace company developing advanced supersonic aircraft and proprietary jet engine technologies to make high-speed flight more”
Funding4
- 3
Axios · Aug 20, 2025 · Supports Funding round
“The venture capital arm of United Airlines is investing in Astro Mechanica”
- 4
Tectonic · Apr 17, 2025 · Supports Funding round · amount
“announced that it has raised $27.1M in funding, co-led by a16z, Lowercarbon, and Giant Step”
- 5
Seedtable · Mar 1, 2024 · Supports Funding round · amount
“Astro Mechanica Raises 3.0M USD in Seed Funding”
- 6
People1
- 7OtherBlack Flag 100
Black Flag · Supports Organization, Role
“Astro Mechanica is revolutionizing aviation with its Electric Adaptive Engine, a groundbreaking jet engine that maintains efficiency across both subsonic and”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.