Unstable approach — ASP877

ASP877 (Airsprint) was inbound to KMDW on 2026-07-31. SkyMeter detected a low approach-stability score at Chicago Midway International Airport (KMDW) on runway 22L at 23:44 UTC. Trace data at the event: 1731 ft AGL, 146 kt GS. Approach stability score: 59/100. Scores in this band occur on roughly 10-15% of approaches at this runway, with multiple gates outside the per-runway envelope. METAR at the time reported 10 kt wind, 10 kt crosswind component, 14,484 m visibility. The approach-stability score rates the final approach against stabilized-approach gates (glideslope, lateral deviation, descent rate, and IAS) at defined altitudes. A low score means one or more of those were outside the normal envelope for how the approach was flown. The score is graded by guidance type, so instrument approaches (ILS or an aligned straight-in) are held to the full gate set, while visual and pattern arrivals are surfaced only when the score is clearly low. The score is advisory and observational, a deviation measure, not an assertion of an accident. 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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• HAZARDS6/6537 2026-07-17 21:00Z – 2026-08-01 04:00Z SFC–9,000 ft

  14NM E WALLA WALLA, WA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

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• HAZARDS6/6777 2026-07-19 19:05Z – 2026-08-20 07:00Z SFC–7,000 ft

  10NM N ELY, MN, Sunday, July 19, 2026 through Thursday, August 20, 2026 UTC

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• HAZARDS6/6779 2026-07-19 19:09Z – 2026-08-20 07:00Z SFC–7,000 ft

  20NM N ELY, MN, Sunday, July 19, 2026 through Thursday, August 20, 2026 UTC

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• HAZARDS6/6859 2026-07-20 13:00Z – 2026-08-03 05:00Z SFC–7,000 ft

  7NM N BONNERS FERRY, ID, Monday, July 20, 2026 through Monday, August 3, 2026 UTC

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• HAZARDS6/6865 2026-07-20 14:00Z – 2026-08-04 04:00Z SFC–9,500 ft

  20NM N ENTERPRISE, OR, Monday, July 20, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/6866 2026-07-20 14:00Z – 2026-08-04 04:00Z SFC–9,000 ft

  PENDLETON, OR, Monday, July 20, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/6858 2026-07-20 14:00Z – 2026-08-04 04:00Z SFC–13,000 ft

  5NM N HAILEY, ID, Monday, July 20, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/6899 2026-07-20 14:30Z – 2026-08-02 06:00Z SFC–7,000 ft

  14NM N ORR, MN, Monday, July 20, 2026 through Sunday, August 2, 2026 UTC

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• HAZARDS6/7244 2026-07-21 14:00Z – 2026-08-04 05:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/7233 2026-07-21 14:00Z – 2026-08-04 05:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/7199 2026-07-21 14:00Z – 2026-08-03 02:00Z SFC–7,000 ft

  20NM N ELY, MN, Tuesday, July 21, 2026 through Monday, August 3, 2026 UTC

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• HAZARDS6/7243 2026-07-21 14:00Z – 2026-08-04 05:00Z SFC–9,500 ft

  20NM N ENTERPRISE, OR, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC

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• HAZARDS6/7534 2026-07-22 14:00Z – 2026-08-05 04:00Z SFC–9,500 ft

  4NM NE BOISE, ID, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC

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• HAZARDS6/8323 2026-07-23 23:15Z – 2026-08-05 05:00Z SFC–10,000 ft

  95NM SE BURNS, OR, Thursday, July 23, 2026 through Wednesday, August 5, 2026 UTC

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• HAZARDS6/8459 2026-07-24 18:00Z – 2026-08-08 04:00Z SFC–11,500 ft

  24NM E BAKER CITY, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8460 2026-07-24 18:30Z – 2026-08-08 05:00Z SFC–10,000 ft

  95NM SE BURNS, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8481 2026-07-24 22:00Z – 2026-08-08 05:00Z SFC–11,500 ft

  57NM SE BURNS, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8489 2026-07-25 01:45Z – 2026-08-08 04:00Z SFC–10,000 ft

  14NM NW MISSOULA, MT, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8497 2026-07-25 14:00Z – 2026-08-08 07:00Z SFC–9,000 ft

  PENDLETON, OR, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8494 2026-07-25 14:00Z – 2026-08-07 03:00Z SFC–12,000 ft

  32NM NE MCCALL, ID, Saturday, July 25, 2026 through Friday, August 7, 2026 UTC

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• HAZARDS6/8495 2026-07-25 14:00Z – 2026-08-07 03:00Z SFC–12,000 ft

  32NM NE MCCALL, ID, Saturday, July 25, 2026 through Friday, August 7, 2026 UTC

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• HAZARDS6/8496 2026-07-25 14:00Z – 2026-08-08 04:00Z SFC–10,000 ft

  14NM NW MISSOULA, MT, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/8553 2026-07-25 17:30Z – 2026-08-09 04:00Z SFC–11,500 ft

  44NM SE BURNS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8552 2026-07-25 17:30Z – 2026-08-09 04:00Z SFC–10,000 ft

  95NM SE BURNS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8571 2026-07-25 23:15Z – 2026-08-09 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8572 2026-07-25 23:30Z – 2026-08-09 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8582 2026-07-26 14:00Z – 2026-08-09 05:00Z SFC–8,500 ft

  43NM NE BAKER CITY, OR, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8584 2026-07-26 14:00Z – 2026-08-09 04:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8654 2026-07-26 16:00Z – 2026-08-10 05:00Z SFC–11,500 ft

  36NM E BURNS, OR, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8655 2026-07-26 16:00Z – 2026-08-10 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8761 2026-07-26 16:30Z – 2026-08-09 05:00Z SFC–11,500 ft

  50NM SE BURNS, OR, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8762 2026-07-26 17:00Z – 2026-08-10 05:00Z SFC–10,000 ft

  95NM SE BURNS, OR, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8784 2026-07-26 18:45Z – 2026-08-10 05:00Z SFC–10,000 ft

  44NM SW BURNS, OR, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8885 2026-07-27 05:00Z – 2026-08-10 05:00Z SFC–11,500 ft

  24NM E BAKER CITY, OR, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8874 2026-07-27 11:00Z – 2026-08-09 05:00Z SFC–12,000 ft

  32NM NE MCCALL, ID, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8876 2026-07-27 11:00Z – 2026-08-09 05:00Z SFC–12,000 ft

  32NM NE MCCALL, ID, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8877 2026-07-27 12:00Z – 2026-08-10 02:00Z SFC–7,000 ft

  8NM NE BOISE, ID, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8886 2026-07-27 14:00Z – 2026-08-10 07:00Z SFC–9,000 ft

  24NM E PENDLETON, OR, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8871 2026-07-27 14:00Z – 2026-08-09 04:00Z SFC–8,000 ft

  83NM N SPEARFISH, SD, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8872 2026-07-27 14:00Z – 2026-08-09 04:00Z SFC–11,000 ft

  14NM NW MISSOULA, MT, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/8883 2026-07-27 14:00Z – 2026-08-09 04:00Z SFC–11,000 ft

  23NM SE HAMILTON, MT, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/9227 2026-07-27 19:00Z – 2026-08-10 05:00Z SFC–11,500 ft

  24NM E BAKER CITY, OR, Monday, July 27, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/9398 2026-07-28 14:00Z – 2026-08-11 04:00Z SFC–6,000 ft

  10NM NW MISSOULA, MT, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9399 2026-07-28 14:00Z – 2026-08-11 04:00Z SFC–11,000 ft

  14NM NW MISSOULA, MT, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9532 2026-07-28 15:45Z – 2026-08-11 05:00Z SFC–11,500 ft

  36NM E BURNS, OR, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9566 2026-07-28 17:15Z – 2026-08-11 04:00Z SFC–10,000 ft

  33NM SW PHILIP, SD, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9803 2026-07-28 21:15Z – 2026-08-01 23:45Z SFC–200 ft

  0.5NM NE MENASHA, WI, Tuesday, July 28, 2026 through Saturday, August 1, 2026 UTC

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• HAZARDS6/9877 2026-07-29 01:38Z – 2026-08-12 04:00Z SFC–10,000 ft

  38NM N SANDPOINT, ID, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9882 2026-07-29 02:39Z – 2026-08-12 04:00Z SFC–6,000 ft

  10NM NW MISSOULA, MT, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9883 2026-07-29 02:41Z – 2026-08-12 04:00Z SFC–11,000 ft

  13NM NW MISSOULA, MT, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9891 2026-07-29 05:00Z – 2026-08-12 05:00Z SFC–11,500 ft

  36NM E BURNS, OR, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9893 2026-07-29 05:15Z – 2026-08-12 05:00Z SFC–10,000 ft

  95NM SE BURNS, OR, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9880 2026-07-29 14:00Z – 2026-08-12 03:00Z SFC–9,000 ft

  26NM E MILES CITY, MT, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0126 2026-07-29 17:30Z – 2026-08-12 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0304 2026-07-30 00:15Z – 2026-08-12 05:00Z SFC–11,500 ft

  36NM E BURNS, OR, Thursday, July 30, 2026 through Wednesday, August 12, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/0323 2026-07-30 12:00Z – 2026-08-13 02:00Z SFC–10,500 ft

  8NM NE BOISE, ID, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/0287 2026-07-30 13:00Z – 2026-08-01 05:00Z SFC–2,500 ft

  21NM NW ELY, MN, Thursday, July 30, 2026 through Saturday, August 1, 2026 UTC

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• HAZARDS6/0413 2026-07-30 14:00Z – 2026-08-13 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0411 2026-07-30 14:00Z – 2026-08-13 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0307 2026-07-30 14:00Z – 2026-08-13 04:00Z SFC–12,000 ft

  20NM SE HELENA, MT, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0410 2026-07-30 14:00Z – 2026-08-12 05:00Z SFC–8,500 ft

  43NM NE BAKER CITY, OR, Thursday, July 30, 2026 through Wednesday, August 12, 2026 UTC

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• UAS PUBLIC GATHERING6/8930 2026-07-30 16:00Z – 2026-08-03 03:00Z SFC–400 ft

  Chicago, IL, Thursday, July 30, 2026 through Monday, August 3, 2026 UTC

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• HAZARDS6/0477 2026-07-30 18:30Z – 2026-08-13 05:00Z SFC–7,000 ft

  42NM NW SPOKANE, WA, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0476 2026-07-30 18:30Z – 2026-08-13 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Thursday, July 30, 2026 through Thursday, August 13, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/0578 2026-07-31 05:00Z – 2026-08-13 05:00Z SFC–9,000 ft

  42NM NW SPOKANE, WA, Friday, July 31, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0580 2026-07-31 05:00Z – 2026-08-13 05:00Z SFC–9,000 ft

  15NM SW COLVILLE, WA, Friday, July 31, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0569 2026-07-31 12:00Z – 2026-08-08 02:00Z SFC–7,500 ft

  8NM NE BOISE, ID, Friday, July 31, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/0574 2026-07-31 14:00Z – 2026-08-13 07:00Z SFC–9,000 ft

  24NM E PENDLETON, OR, Friday, July 31, 2026 through Thursday, August 13, 2026 UTC

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• HAZARDS6/0575 2026-07-31 14:00Z – 2026-08-14 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Friday, July 31, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0576 2026-07-31 14:00Z – 2026-08-14 04:00Z SFC–12,000 ft

  29NM NW KALISPELL, MT, Friday, July 31, 2026 through Friday, August 14, 2026 UTC

  View FAA NOTAM →
• AIR SHOWS/SPORTS6/8432 2026-07-31 16:30Z – 2026-08-02 20:30Z SFC–16,000 ft

  St Cloud, MN, Friday, July 31, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• SECURITY6/0432 2026-07-31 17:00Z – 2026-08-02 03:00Z SFC–400 ft

  Boise, ID, Friday, July 31, 2026 through Saturday, August 1, 2026 Local

  View FAA NOTAM →
• SECURITY6/0433 2026-07-31 17:00Z – 2026-08-02 03:00Z SFC–400 ft

  Boise, ID, Friday, July 31, 2026 through Saturday, August 1, 2026 Local

  View FAA NOTAM →
• HAZARDS6/0709 2026-07-31 22:58Z – 2026-08-02 04:00Z SFC–12,000 ft

  56NM E HELENA, MT, Friday, July 31, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →

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