Incidents at CYYC
159 events · last 30 days · Calgary International Airport
Calgary International Airport (CYYC) recorded 159 detected events in the last 30 days. The breakdown: 102 returns to field, 10 go-arounds, 4 rejected takeoffs, 2 unstable approaches, and 1 speed exceedance. SkyMeter classifies these events from raw ADS-B trace data using deterministic detectors: go-around from altitude / vertical-speed reversals after final approach, unstable approach from gate-by-gate stability scoring against per-runway statistical envelopes, and stall / overspeed from broadcast IAS / Mach against per-type speed envelopes. Counts reflect detected events, not adjudicated incidents.
Breakdown by type
Share of total events
What these mean
Quick reference
Detection is complicated. ADS-B is imperfect. Gaps, ghost signals, coverage dead zones, missing airport metadata, training patterns, parallel-runway activity, and unfamiliar aircraft types all create false positives. These are signals worth reviewing, not official incident reports.
Recent incidents
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