Unstable approach — ASA1540

ASA1540 (Alaska Airlines) was operating from PANC to KMSP on 2026-06-29. SkyMeter detected a low approach-stability score at Minneapolis-St Paul International/Wold-Chamberlain Airport (KMSP) on runway 12L at 11:03 UTC. Trace data at the event: 1929 ft AGL, 149 kt GS. Approach stability score: 60/100. 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 9 kt wind, 3 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.

• SECURITY6/4348 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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• SECURITY6/4011 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft

  BELLEVUE, WA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

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• SECURITY6/4013 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft

  Seattle, WA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

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• SECURITY6/4033 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft

  RENTON, WA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

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• SECURITY6/4034 2026-06-01 07:00Z – 2026-07-21 06:59Z SFC–400 ft

  Renton, WA, Monday, June 1, 2026 through Monday, July 20, 2026 Local

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• HAZARDS6/8253 2026-06-15 15:00Z – 2026-06-30 05:00Z SFC–6,000 ft

  3NM W BENTON CITY, WA, Monday, June 15, 2026 through Tuesday, June 30, 2026 UTC

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• HAZARDS6/8960 2026-06-17 15:23Z – 2026-07-01 06:00Z SFC–7,000 ft

  14NM SE OMAK, WA, Wednesday, June 17, 2026 through Wednesday, July 1, 2026 UTC

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• HAZARDS6/9121 2026-06-18 13:00Z – 2026-07-01 05:00Z SFC–7,000 ft

  10NM SE PENDLETON, OR, Thursday, June 18, 2026 through Wednesday, July 1, 2026 UTC

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• HAZARDS6/8821 2026-06-18 14:00Z – 2026-07-02 05:00Z SFC–7,500 ft

  34NM SE COEUR D'ALENE, ID, Thursday, June 18, 2026 through Thursday, July 2, 2026 UTC

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• HAZARDS6/9122 2026-06-18 14:00Z – 2026-07-01 06:00Z SFC–7,000 ft

  14NM SE OMAK, WA, Thursday, June 18, 2026 through Wednesday, July 1, 2026 UTC

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• HAZARDS6/9554 2026-06-22 13:00Z – 2026-07-06 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Monday, June 22, 2026 through Monday, July 6, 2026 UTC

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• HAZARDS6/9557 2026-06-22 13:00Z – 2026-07-07 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Monday, June 22, 2026 through Tuesday, July 7, 2026 UTC

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• HAZARDS6/9835 2026-06-22 19:50Z – 2026-07-06 04:00Z SFC–6,500 ft

  30NM N MOSES LAKE, WA, Monday, June 22, 2026 through Monday, July 6, 2026 UTC

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• HAZARDS6/9982 2026-06-23 02:31Z – 2026-07-07 04:00Z SFC–6,500 ft

  30NM N MOSES LAKE, WA, Tuesday, June 23, 2026 through Tuesday, July 7, 2026 UTC

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• HAZARDS6/0606 2026-06-25 14:00Z – 2026-07-10 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Thursday, June 25, 2026 through Friday, July 10, 2026 UTC

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• HAZARDS6/0614 2026-06-25 14:00Z – 2026-07-10 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Thursday, June 25, 2026 through Friday, July 10, 2026 UTC

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• HAZARDS6/0752 2026-06-26 14:00Z – 2026-07-07 02:00Z SFC–6,500 ft

  30NM N MOSES LAKE, WA, Friday, June 26, 2026 through Tuesday, July 7, 2026 UTC

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• HAZARDS6/1022 2026-06-27 14:00Z – 2026-07-12 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Saturday, June 27, 2026 through Sunday, July 12, 2026 UTC

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• HAZARDS6/1023 2026-06-27 14:00Z – 2026-07-12 04:00Z SFC–10,000 ft

  37NM SW GRANGEVILLE, ID, Saturday, June 27, 2026 through Sunday, July 12, 2026 UTC

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• HAZARDS6/1247 2026-06-28 22:17Z – 2026-07-10 16:00Z SFC–5,500 ft

  7NM NW THE DALLES, OR, Sunday, June 28, 2026 through Friday, July 10, 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.

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