EmergencyDescent — UPS471

UPS471 (C C & e I) was operating from CYYC to KFSD on 2026-07-01. SkyMeter detected a emergencydescent at 17:35 UTC. Trace data at the event: 35459 ft AGL, 472 kt GS. METAR at the time reported 3 kt wind, 1 kt crosswind component. Detection algorithm and known limitations: see SkyMeter methodology.

• SECURITY6/4348 2026-03-08 07:00Z – 2026-11-01 06:59Z SFC–2,400 ft

  GRAND FORKS AFB, ND, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local

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• SECURITY6/1719 2026-07-01 13:30Z – 2026-07-01 22:45Z SFC–2,000 ft

  Bismark, ND, Wednesday, July 1, 2026 Local

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• VIP6/1516 2026-07-01 15:00Z – 2026-07-01 16:30Z SFC–17,999 ft

  BISMARCK, ND, Wednesday, July 1, 2026 Local

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• VIP6/1517 2026-07-01 16:00Z – 2026-07-01 21:15Z SFC–17,999 ft

  MEDORA, ND, Wednesday, July 1, 2026 Local

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• VIP6/1519 2026-07-01 16:00Z – 2026-07-01 21:15Z SFC–17,999 ft

  MEDORA, ND, Wednesday, July 1, 2026 Local

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SkyMeter cross-referenced this flight against FAA-published TFRs that were active during its window and within its geographic bounding box. Overlap doesn't necessarily mean violation — the aircraft may have been outside the TFR’s precise polygon or flying under air-traffic-control coordination.

Automated analysis. Events shown on this page (such as go-around, unstable approach, or runway events) are heuristic classifications produced by algorithms from publicly broadcast ADS-B data. They are intended to surface flights of interest for further review — they are not findings of fact, and they do not determine pilot fault, regulatory compliance, or the cause of any occurrence. Coverage gaps and sensor noise can affect accuracy. Only the relevant civil aviation authority or accident investigation body can make official determinations. How we detect events · Dispute or correct this data