Unstable approach — EJA737
KBOS · 04L2026-08-13 20:27 UTC· MA23 → KBOS· NETJETS SALES INC, BROS LLC, HOLMAN AUTOMOTIVE GROUP INC, GIPSON· CL35
EJA737 (Netjets Sales) was operating from MA23 to KBOS on 2026-08-13. SkyMeter detected a low approach-stability score at General Edward Lawrence Logan International Airport (KBOS) on runway 04L at 20:27 UTC. Trace data at the event: 1132 ft AGL, 125 kt GS. Approach stability score: 31/100. 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 12 kt wind, 12 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.
Pilot review data
- Runway 04L
- 1132 ft AGL at event
- 125 kt ground speed
- 0 fpm vertical
- Approach stability 31/100
- 12 kt wind
- 12 kt crosswind component
- 16,093 m visibility
- KBOS 162154Z 22009KT 10SM FEW200 BKN250 25/15 A3025 RMK AO2 SLP244 T02500150
Flight context
- EJA737
- Netjets Sales
- CL35
- MA23 → KBOS
- 2026-08-13 20:27 UTC
- KBOS runway 04L
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