Unstable approach — SKW6459

SKW6459 (Skywest Airlines) was operating from KPHX to KSTS on 2026-07-29. SkyMeter detected a low approach-stability score at Charles M. Schulz Sonoma County Airport (KSTS) on runway 14 at 23:27 UTC. Trace data at the event: 1234 ft AGL, 129 kt GS. Approach stability score: 49/100. 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 11 kt wind, 5 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.

• SECURITY6/5797 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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• HAZARDS6/6359 2026-07-17 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft

  5NM E BEAVER, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC

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• HAZARDS6/6569 2026-07-18 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft

  5NM E BEAVER, UT, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC

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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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• HAZARDS6/7246 2026-07-21 05:00Z – 2026-08-21 03:00Z SFC–10,500 ft

  20NM N INDEPENDENCE, CA, Tuesday, July 21, 2026 through Friday, August 21, 2026 UTC

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• HAZARDS6/7372 2026-07-21 13:38Z – 2026-08-22 03:00Z SFC–10,500 ft

  20NM N INDEPENDENCE, CA, Tuesday, July 21, 2026 through Saturday, August 22, 2026 UTC

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• HAZARDS6/7909 2026-07-22 18:11Z – 2026-08-08 04:00Z SFC–12,500 ft

  20NM N INDEPENDENCE, CA, Wednesday, July 22, 2026 through Saturday, August 8, 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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• HAZARDS6/9567 2026-07-28 16:27Z – 2026-08-02 04:00Z SFC–8,500 ft

  YUCAIPA, CA, Tuesday, July 28, 2026 through Sunday, August 2, 2026 UTC

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• HAZARDS6/9881 2026-07-29 02:10Z – 2026-08-12 04:00Z SFC–13,500 ft

  25NM S BISHOP, CA, Wednesday, July 29, 2026 through Wednesday, August 12, 2026 UTC

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• HAZARDS6/9875 2026-07-29 12:00Z – 2026-08-03 04:00Z SFC–11,500 ft

  20NM W RICHFIELD, UT, Wednesday, July 29, 2026 through Monday, August 3, 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