Go-around — UAL644

UAL644 (United Airlines) was operating from KDEN to KPDX on 2026-07-26. SkyMeter detected a go-around at Portland International Airport (KPDX) on runway 28R at 19:50 UTC. Trace data at the event: 1837 ft AGL, 199 kt GS. METAR at the time reported 9 kt wind, 8 kt crosswind component, 16,093 m visibility. A go-around is a discontinued landing approach in which the pilot adds power and climbs back to a safe altitude before re-attempting the approach or proceeding to an alternate. It is a routine safety response, not an emergency, and is taught as the standard reaction to any unstable approach. Detection algorithm and known limitations: see SkyMeter methodology.

• HAZARDS6/4968 2026-07-12 15:00Z – 2026-07-27 05:00Z SFC–11,000 ft

  25 NM NE JOHN DAY, OR, Sunday, July 12, 2026 through Monday, July 27, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/4970 2026-07-12 15:00Z – 2026-07-27 05:00Z SFC–11,000 ft

  25 NM NE JOHN DAY, OR, Sunday, July 12, 2026 through Monday, July 27, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5152 2026-07-13 04:00Z – 2026-07-27 04:00Z SFC–15,000 ft

  14NM S STEAMBOAT SPRINGS, CO, Monday, July 13, 2026 through Monday, July 27, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5274 2026-07-13 17:54Z – 2026-07-27 04:00Z SFC–15,500 ft

  15NM E HEBER CITY, UT, Monday, July 13, 2026 through Monday, July 27, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5875 2026-07-15 04:00Z – 2026-07-30 04:00Z SFC–12,000 ft

  19NM SW MEEKER, CO, Wednesday, July 15, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5876 2026-07-15 04:00Z – 2026-07-30 04:00Z SFC–13,500 ft

  7NM SE STEAMBOAT SPRINGS, CO, Wednesday, July 15, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5879 2026-07-15 14:00Z – 2026-07-28 05:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Wednesday, July 15, 2026 through Tuesday, July 28, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/5880 2026-07-15 14:00Z – 2026-07-29 05:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Wednesday, July 15, 2026 through Wednesday, July 29, 2026 UTC

  View FAA NOTAM →
• SECURITY6/5841 2026-07-16 13:00Z – 2026-07-27 05:59Z SFC–400 ft

  Cheyenne, WY, Thursday, July 16, 2026 through Sunday, July 26, 2026 Local

  View FAA NOTAM →
• HAZARDS6/6100 2026-07-16 14:00Z – 2026-07-30 04:00Z SFC–10,000 ft

  41NM SE BURNS, OR, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6151 2026-07-16 15:28Z – 2026-07-30 04:00Z SFC–8,000 ft

  18NM W SPRAY, OR, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6221 2026-07-16 17:58Z – 2026-07-30 04:00Z SFC–12,000 ft

  9NM SE DUGWAY, UT, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6388 2026-07-17 02:26Z – 2026-07-31 04:00Z SFC–10,000 ft

  63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6393 2026-07-17 02:30Z – 2026-07-31 04:00Z SFC–10,000 ft

  63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6408 2026-07-17 04:31Z – 2026-07-31 04:00Z SFC–9,000 ft

  10NM SW CULVER, OR, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6409 2026-07-17 04:39Z – 2026-07-30 07:00Z SFC–11,000 ft

  10NM SW MOUNT SHASTA, CA, Friday, July 17, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6434 2026-07-17 05:07Z – 2026-08-01 04:00Z SFC–10,000 ft

  63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6433 2026-07-17 05:08Z – 2026-08-01 04:00Z SFC–10,000 ft

  63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6358 2026-07-17 13:00Z – 2026-07-31 04:00Z SFC–12,000 ft

  9NM SE DUGWAY, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6453 2026-07-17 15:04Z – 2026-08-01 04:00Z SFC–9,000 ft

  26NM NW RILEY, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6454 2026-07-17 15:06Z – 2026-07-31 04:00Z SFC–9,000 ft

  10NM N RILEY, OR, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6458 2026-07-17 15:40Z – 2026-08-01 04:00Z SFC–9,000 ft

  9NM E MADRAS, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6536 2026-07-17 21:00Z – 2026-08-01 04:00Z SFC–8,000 ft

  23NM NE PENDLETON, OR, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6564 2026-07-18 00:42Z – 2026-07-31 03:00Z SFC–9,000 ft

  24NM E PENDLETON, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6572 2026-07-18 03:14Z – 2026-07-31 04:00Z SFC–11,000 ft

  18NM SE PRINEVILLE, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6659 2026-07-18 14:00Z – 2026-07-31 10:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6660 2026-07-18 14:00Z – 2026-07-31 10:00Z SFC–11,500 ft

  20NM NW BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6666 2026-07-18 15:00Z – 2026-07-31 05:00Z SFC–8,000 ft

  23NM NE PENDLETON, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6682 2026-07-18 16:49Z – 2026-07-31 04:00Z SFC–11,500 ft

  24NM E BAKER CITY, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6695 2026-07-18 20:09Z – 2026-07-31 04:00Z SFC–9,000 ft

  12NM SE MADRAS, OR, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6734 2026-07-19 01:25Z – 2026-08-01 04:00Z SFC–9,000 ft

  26NM E MADRAS, OR, Sunday, July 19, 2026 through Saturday, August 1, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6733 2026-07-19 12:00Z – 2026-08-02 04:00Z SFC–10,500 ft

  16NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6741 2026-07-19 12:00Z – 2026-08-02 04:00Z SFC–6,500 ft

  7NM NE REDDING, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6756 2026-07-19 15:45Z – 2026-08-02 04:00Z SFC–8,000 ft

  39NM NW JOHN DAY, OR, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6757 2026-07-19 16:07Z – 2026-08-02 04:00Z SFC–9,000 ft

  12NM SE MADRAS, OR, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6774 2026-07-19 18:27Z – 2026-08-02 04:00Z SFC–10,500 ft

  22NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6778 2026-07-19 19:09Z – 2026-08-03 03:00Z SFC–8,000 ft

  1NM S FOSSIL, OR, Sunday, July 19, 2026 through Monday, August 3, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6812 2026-07-19 23:08Z – 2026-08-03 03:00Z SFC–11,000 ft

  23NM SE PRINEVILLE, OR, Sunday, July 19, 2026 through Monday, August 3, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6855 2026-07-20 01:34Z – 2026-08-03 03:00Z SFC–11,000 ft

  45NM NW BURNS, OR, Monday, July 20, 2026 through Monday, August 3, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/6894 2026-07-20 14:02Z – 2026-08-03 04:00Z SFC–12,500 ft

  12NM NW CRAIG, CO, Monday, July 20, 2026 through Monday, August 3, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/6900 2026-07-20 14:42Z – 2026-08-03 04:00Z SFC–13,500 ft

  11NM SW KREMMLING, CO, Monday, July 20, 2026 through Monday, August 3, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7177 2026-07-20 22:03Z – 2026-08-04 04:00Z SFC–8,000 ft

  1NM W CONDON, OR, Monday, July 20, 2026 through Tuesday, August 4, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7220 2026-07-21 04:00Z – 2026-08-04 04:00Z SFC–12,000 ft

  19NM SW MEEKER, CO, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7221 2026-07-21 04:00Z – 2026-08-04 04:00Z SFC–13,500 ft

  7NM SE STEAMBOAT SPRINGS, CO, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/7611 2026-07-22 03:41Z – 2026-08-05 04:00Z SFC–8,000 ft

  1NM S FOSSIL, OR, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7612 2026-07-22 03:47Z – 2026-08-04 04:00Z SFC–9,000 ft

  26NM E MADRAS, OR, Wednesday, July 22, 2026 through Tuesday, August 4, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7702 2026-07-22 13:08Z – 2026-08-05 04:00Z SFC–11,500 ft

  11NM SW CRAIG, CO, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/7602 2026-07-22 14:00Z – 2026-08-05 05:00Z SFC–11,000 ft

  25NM NE JOHN DAY, OR, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/7603 2026-07-22 14:00Z – 2026-08-05 05:00Z SFC–11,000 ft

  25NM NE JOHN DAY, OR, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8112 2026-07-23 17:45Z – 2026-08-06 04:00Z SFC–11,000 ft

  45NM NW BURNS, OR, Thursday, July 23, 2026 through Thursday, August 6, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8322 2026-07-23 22:15Z – 2026-07-30 05:00Z SFC–8,000 ft

  8NM NE MADRAS, OR, Thursday, July 23, 2026 through Thursday, July 30, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8326 2026-07-24 00:00Z – 2026-08-05 05:00Z SFC–10,000 ft

  35NM E ROSEBURG, OR, Friday, July 24, 2026 through Wednesday, August 5, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8339 2026-07-24 00:45Z – 2026-08-07 05:00Z SFC–8,000 ft

  4NM S FOSSIL, OR, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8355 2026-07-24 14:00Z – 2026-08-07 04:00Z SFC–9,000 ft

  26NM E MADRAS, OR, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8357 2026-07-24 14:00Z – 2026-08-07 04:00Z SFC–9,000 ft

  12NM SE MADRAS, OR, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8423 2026-07-24 16:00Z – 2026-08-07 04:00Z SFC–9,500 ft

  35NM SE ROSEBURG, OR, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8435 2026-07-24 18:00Z – 2026-08-07 04:00Z SFC–10,000 ft

  44NM SW BURNS, OR, Friday, July 24, 2026 through Friday, August 7, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8438 2026-07-24 18:30Z – 2026-08-08 04:00Z SFC–9,500 ft

  25NM SW THE DALLES, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8479 2026-07-24 20:30Z – 2026-08-08 04:00Z SFC–8,000 ft

  34NM SE THE DALLES, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8480 2026-07-24 21:15Z – 2026-08-08 04:00Z SFC–9,000 ft

  10NM W MADRAS, OR, Friday, July 24, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8487 2026-07-25 01:02Z – 2026-08-08 04:00Z SFC–10,500 ft

  12NM NE SUSANVILLE, CA, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8488 2026-07-25 01:30Z – 2026-08-08 05:00Z SFC–8,000 ft

  32NM NE MADRAS, OR, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8490 2026-07-25 01:45Z – 2026-08-08 04:00Z SFC–9,000 ft

  10NM W MADRAS, OR, Saturday, July 25, 2026 through Saturday, August 8, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8545 2026-07-25 17:00Z – 2026-08-09 04:00Z SFC–7,000 ft

  8NM SW THE DALLES, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8546 2026-07-25 17:15Z – 2026-08-09 05:00Z SFC–10,000 ft

  10NM NW BURNS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8550 2026-07-25 18:00Z – 2026-08-09 05:00Z SFC–8,000 ft

  32NM NE MADRAS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8555 2026-07-25 19:00Z – 2026-08-09 05:00Z SFC–9,000 ft

  10NM W MADRAS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8556 2026-07-25 19:00Z – 2026-08-09 05:00Z SFC–10,000 ft

  10NM NW BURNS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8562 2026-07-25 21:00Z – 2026-08-09 05:00Z SFC–10,000 ft

  50NM W JOHN DAY, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8565 2026-07-25 22:00Z – 2026-08-09 05:00Z SFC–9,000 ft

  20NM SE MADRAS, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8566 2026-07-25 22:15Z – 2026-08-09 05:00Z SFC–8,000 ft

  4NM S FOSSIL, OR, Saturday, July 25, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• HAZARDS6/8581 2026-07-26 05:00Z – 2026-08-09 05:00Z SFC–9,000 ft

  10NM W MADRAS, OR, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• HAZARDS6/8585 2026-07-26 14:00Z – 2026-08-09 05:00Z SFC–9,500 ft

  25NM SW THE DALLES, OR, Sunday, July 26, 2026 through Sunday, August 9, 2026 UTC

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  View FAA NOTAM →
• 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

  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