THA646 was operating from VTBS to RJGG (Chubu Centrair International Airport) on 2026-01-03. SkyMeter detected a diversion to Don Mueang International Airport (VTBD) on runway 03L at 09:18 UTC. Peak cruise altitude FL425, turnaround area near Zhenhaicun, CN. Approach stability score: 23/100. 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 6 kt wind, 6 kt crosswind component, 7,998 m visibility. Detection algorithm and known limitations: see SkyMeter methodology.
Pilot review data
- Runway 03L
- 7 ft AGL at event
- 120 kt ground speed
- 0 fpm vertical
- Approach stability 23/100
- 6 kt wind
- 6 kt crosswind component
- 7,998 m visibility
- VTBD 150830Z 22016KT 150V240 8000 -TSRA FEW020CB SCT040 29/25 Q1009 WS ALL RWY TEMPO FM0840 TL0930 4000 TSRA
Flight context
- THA646
- A359
- VTBS → VTBD
- 2026-01-03 09:18 UTC
- VTBD runway 03L
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