OpenSky Network — ADS-B Aircraft Tracking
Crowdsourced ADS-B aircraft state-vectors with global coverage, sub-second cadence. Free academic / non-commercial access via REST API and Impala SQL. Useful for aviation hazard advisory (smoke plume avoidance, TFR enforcement, wildfire airspace coordination, volcanic ash diversion).
| Provider | OpenSky Network (academic consortium) |
|---|---|
| Delivery mode | stream |
| CNR score | 74 |
| Cadence | PT5S |
| Origin | https://opensky-network.org/ |