GeekWire · Oct 2025
Reports the first flight of Radical's full-size Evenstar prototype, a 120-foot-wingspan solar-powered drone, and notes plans for higher-altitude testing in 2026.
Building persistent, high-performance infrastructure in the sky
Company research
Public company, workplace, funding, and market signals
Overview
Radical is a Seattle-based aerospace startup building StratoSats—autonomous solar-powered aircraft that deliver persistent infrastructure, connectivity, and observation services from the stratosphere.
Primary product
Evenstar / StratoSats autonomous solar-powered stratospheric aircraft
Founded
2022
Headquarters
Seattle, Washington, United States
Team size
1-10 employees
Industry
Aviation and Aerospace Component Manufacturing
Sub-industry
High-altitude platform stations (HAPS) / stratospheric autonomous aircraft
Offices
Seattle, WA, United States (HQ)
Open Positions
0 jobs at Radical
No open positions
Check back later for new openings