Unstable approach — TCN764

TCN764 (Bank of Utah) was operating from KAPA to KSTS on 2026-06-19. SkyMeter detected a low approach-stability score at Charles M. Schulz Sonoma County Airport (KSTS) on runway 14 at 14:44 UTC. Trace data at the event: 1234 ft AGL, 125 kt GS. Approach stability score: 55/100. 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 4 kt wind, 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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• SECURITY6/4164 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft

  Sandy, UT, Monday, June 1, 2026 through Monday, July 20, 2026 Local

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• HAZARDS6/6225 2026-06-09 14:00Z – 2026-06-21 02:00Z SFC–10,500 ft

  31NM SW NEPHI, UT, Tuesday, June 9, 2026 through Sunday, June 21, 2026 UTC

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• HAZARDS6/6608 2026-06-09 15:00Z – 2026-06-22 04:00Z SFC–11,500 ft

  13NM W NUCLA, CO, Tuesday, June 9, 2026 through Monday, June 22, 2026 UTC

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• HAZARDS6/6827 2026-06-09 17:15Z – 2026-06-22 02:00Z SFC–10,000 ft

  9NM SW TOOELE, UT, Tuesday, June 9, 2026 through Monday, June 22, 2026 UTC

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• HAZARDS6/6965 2026-06-10 14:00Z – 2026-06-22 03:00Z SFC–10,000 ft

  9NM SW TOOELE, UT, Wednesday, June 10, 2026 through Monday, June 22, 2026 UTC

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• HAZARDS6/7478 2026-06-11 03:12Z – 2026-06-24 04:00Z SFC–11,500 ft

  20NM N NUCLA, CO, Thursday, June 11, 2026 through Wednesday, June 24, 2026 UTC

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• HAZARDS6/7811 2026-06-12 03:18Z – 2026-06-25 04:00Z SFC–12,500 ft

  29NM SE GLENWOOD SPRINGS, CO, Friday, June 12, 2026 through Thursday, June 25, 2026 UTC

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• HAZARDS6/8549 2026-06-16 02:58Z – 2026-06-30 04:00Z SFC–12,000 ft

  12NM NE GRAND JUNCTION, CO, Tuesday, June 16, 2026 through Tuesday, June 30, 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