Unstable approach — N289MB

N289MB (Mark Barber) was operating from KAWO to KPAE on 2026-08-08. SkyMeter detected a low approach-stability score at Snohomish County (Paine Field) Airport (KPAE) on runway 16L at 00:56 UTC. Trace data at the event: 1189 ft AGL, 65 kt GS. Approach stability score: 29/100. 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 3 kt wind, 2 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.

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