Unstable approach — TKR140

KTWF · 26

2026-07-08 01:45 UTC· KBOI → KTWF· COULSON AVIATION USA INC· C130

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TKR140 (Coulson Aviation USA) was operating from KBOI to KTWF on 2026-07-08. SkyMeter detected a low approach-stability score at Joslin Field Magic Valley Regional Airport (KTWF) on runway 26 at 01:45 UTC. Trace data at the event: 5201 ft AGL, 143 kt GS. METAR at the time reported 7 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.

Active FAA TFR during this flight

Source: FAA TFR archive (hourly snapshot)
  • SECURITY6/4159 2026-06-01 06:00Z – 2026-07-21 05:59Z SFC–400 ft

    Boise, ID, Monday, June 1, 2026 through Monday, July 20, 2026 Local

    View FAA NOTAM →
  • HAZARDS6/3570 2026-07-07 17:42Z – 2026-07-09 04:00Z SFC–9,500 ft

    4NM NE BOISE, ID, Tuesday, July 7, 2026 through Thursday, July 9, 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.

Pilot review data

  • Runway 26
  • 5201 ft AGL at event
  • 143 kt ground speed
  • 0 fpm vertical
  • 7 kt wind
  • 5 kt crosswind component
  • 16,093 m visibility
  • KTWF 161653Z 08008KT 10SM CLR 17/02 A3006 RMK AO2 SLP143 T01720017

Flight context

  • TKR140
  • Coulson Aviation USA
  • C130
  • KBOI → KTWF
  • 2026-07-08 01:45 UTC
  • KTWF runway 26

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

SkyMeter · trace data observed via ADS-B· KTWF