Unstable approach — ASA8

ASA8 (Alaska Airlines) was operating from KSFO to KDCA on 2026-08-07. SkyMeter detected a low approach-stability score at Ronald Reagan Washington National Airport (KDCA) on runway 19 at 22:11 UTC. Trace data at the event: 1113 ft AGL, 149 kt GS. Approach stability score: 40/100. Scores below 50 occur on under 10% of approaches at this runway and indicate the v2 scorer flagged the approach as highly anomalous (three or more gates exceeded the runway's P90 envelope simultaneously). METAR at the time reported 13 kt wind, 11 kt crosswind component, 16,093 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.

• SECURITY6/3475 2026-03-08 09:00Z – 2026-11-01 09:59Z SFC–180 ft

  BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local

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• SECURITY6/5797 2026-04-03 00:01Z – 2026-09-28 23:59Z SFC–400 ft

  SACRAMENTO, CA, Thursday, April 2, 2026 through Monday, September 28, 2026 Local

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• SECURITY6/6491 2026-07-20 07:01Z – 2026-09-16 06:59Z SFC–1,499 ft

  Concord, CA, Monday, July 20, 2026 through Tuesday, September 15, 2026 Local

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• HAZARDS6/8010 2026-07-23 12:00Z – 2026-08-12 04:00Z SFC–16,500 ft

  19NM NE OURAY, CO, Thursday, July 23, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/8012 2026-07-23 12:00Z – 2026-08-12 04:00Z SFC–16,500 ft

  1NM N OURAY, CO, Thursday, July 23, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/8554 2026-07-26 12:00Z – 2026-08-10 03:00Z SFC–12,000 ft

  16NM W MONTICELLO, UT, Sunday, July 26, 2026 through Monday, August 10, 2026 UTC

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• HAZARDS6/8945 2026-07-27 14:57Z – 2026-08-09 04:00Z SFC–5,500 ft

  SONORA, CA, Monday, July 27, 2026 through Sunday, August 9, 2026 UTC

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• HAZARDS6/9397 2026-07-28 01:03Z – 2026-08-11 04:00Z SFC–5,000 ft

  9NM NW GRASS VALLEY, CA, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9393 2026-07-28 14:00Z – 2026-08-11 05:00Z SFC–13,000 ft

  60NM NE FALLON, NV, Tuesday, July 28, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9884 2026-07-29 12:00Z – 2026-08-12 04:00Z SFC–12,500 ft

  19NM NW GRAND JUNCTION, CO, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9802 2026-07-29 12:00Z – 2026-08-11 04:00Z SFC–16,500 ft

  1NM N OURAY, CO, Wednesday, July 29, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/9879 2026-07-29 14:00Z – 2026-08-11 04:00Z SFC–13,000 ft

  60NM NE FALLON, NV, Wednesday, July 29, 2026 through Tuesday, August 11, 2026 UTC

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• HAZARDS6/0409 2026-07-30 04:00Z – 2026-08-12 04:00Z SFC–15,000 ft

  9NM SW PUEBLO, CO, Thursday, July 30, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0406 2026-07-30 14:00Z – 2026-08-12 05:00Z SFC–13,000 ft

  60NM NE FALLON, NV, Thursday, July 30, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0407 2026-07-30 14:00Z – 2026-08-12 05:00Z SFC–13,000 ft

  60NM NE FALLON, NV, Thursday, July 30, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/0722 2026-08-01 13:00Z – 2026-08-14 04:00Z SFC–14,000 ft

  9NM S ELY, NV, Saturday, August 1, 2026 through Friday, August 14, 2026 UTC

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• HAZARDS6/0881 2026-08-02 13:00Z – 2026-08-16 03:00Z SFC–14,000 ft

  26NM SW PRICE, UT, Sunday, August 2, 2026 through Sunday, August 16, 2026 UTC

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• HAZARDS6/1038 2026-08-03 13:00Z – 2026-08-16 04:00Z SFC–14,000 ft

  9NM S ELY, NV, Monday, August 3, 2026 through Sunday, August 16, 2026 UTC

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• HAZARDS6/1461 2026-08-04 12:00Z – 2026-08-18 04:00Z SFC–13,000 ft

  4NM W RICHFIELD, UT, Tuesday, August 4, 2026 through Tuesday, August 18, 2026 UTC

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• HAZARDS6/1464 2026-08-04 12:00Z – 2026-08-18 04:00Z SFC–13,000 ft

  4NM W RICHFIELD, UT, Tuesday, August 4, 2026 through Tuesday, August 18, 2026 UTC

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• HAZARDS6/1462 2026-08-04 13:00Z – 2026-09-01 04:00Z SFC–15,000 ft

  20NM SW PUEBLO, CO, Tuesday, August 4, 2026 through Tuesday, September 1, 2026 UTC

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• HAZARDS6/1795 2026-08-04 20:57Z – 2026-08-18 04:00Z SFC–6,000 ft

  27NM NE STOCKTON, CA, Tuesday, August 4, 2026 through Tuesday, August 18, 2026 UTC

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• HAZARDS6/1961 2026-08-05 13:00Z – 2026-08-19 04:00Z SFC–14,000 ft

  9NM S ELY, NV, Wednesday, August 5, 2026 through Wednesday, August 19, 2026 UTC

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• HAZARDS6/2433 2026-08-05 21:49Z – 2026-08-15 04:00Z SFC–6,000 ft

  27NM NE STOCKTON, CA, Wednesday, August 5, 2026 through Saturday, August 15, 2026 UTC

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• SECURITY6/1710 2026-08-06 21:00Z – 2026-08-10 02:00Z SFC–400 ft

  West Chester, OH, Thursday, August 6, 2026 through Sunday, August 9, 2026 Local

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• HAZARDS6/2744 2026-08-06 21:55Z – 2026-08-08 04:00Z SFC–12,500 ft

  10NM SW RIFLE, CO, Thursday, August 6, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/2767 2026-08-07 12:00Z – 2026-08-21 04:00Z SFC–16,500 ft

  1NM NE OURAY, CO, Friday, August 7, 2026 through Friday, August 21, 2026 UTC

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• HAZARDS6/2768 2026-08-07 14:00Z – 2026-08-22 04:00Z SFC–12,500 ft

  8NM SW RIFLE, CO, Friday, August 7, 2026 through Saturday, August 22, 2026 UTC

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• UAS PUBLIC GATHERING6/2104 2026-08-07 19:30Z – 2026-08-08 00:30Z SFC–400 ft

  cincinnati, OH, Friday, August 7, 2026 through Saturday, August 8, 2026 UTC

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• HAZARDS6/2889 2026-08-07 19:58Z – 2026-08-21 04:00Z SFC–13,000 ft

  4NM W RICHFIELD, UT, Friday, August 7, 2026 through Friday, August 21, 2026 UTC

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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.

All events on this flight

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