Expired50% confidenceFactExact time
OpenSky Network is operated by Swiss and German academic institutions, provides a free REST API and historical datasets, and the free tier is typically limited to at most one full request every 10 seconds.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/10/2026
First Seen
Valid until: 10/8/2026(expired)
Sources
3D Flight Tracker: Real-Time Aviation Visualization on Mercator Maps
hackernewshackernews7/4/2026
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