Updates

Milestones, as they happen.

Progress notes from the flight line and the lab. Replace these placeholders with your real milestones as they come.

2026 · Q3

Mk-0 flight test campaign begins — in simulation

Pyrois Mk-0 enters Phase SIM-1: fully autonomous waypoint missions on ArduPilot SITL, flying the same code the physical aircraft will carry. Exit criteria: 25 consecutive clean missions with telemetry review. Hardware gets built when the data says so.

2026 · Q3 — Placeholder

Pyrois enters detailed design

Configuration frozen after trade studies across three planforms. Structural layup begins on the first test article this quarter.

2026 · Q2 — Placeholder

Phlegon propulsion benchmarks published

First results from the hybrid-electric powertrain test stand, benchmarking efficiency across loiter profiles in the 25–200 kg class.

2026 · Q1 — Placeholder

Aethon Aerospace & Research founded

Founded in Chicago, Illinois with a mandate to build uncrewed flight systems and the applied research behind them.