Gronberger Sergio A SPORTSMAN GS-2 N360ET accident near Lake Goodwin, Washington, September 30, 2026
Gronberger Sergio A SPORTSMAN GS-2, registration N360ET, was involved in an accident near Lake Goodwin, Washington on September 30, 2026. The NTSB lists the highest injury level as none. Case WPR26LA368 is in work.
ADS-B receivers recorded 5 minutes of the flight after departing the Arlington Muni area (KAWO), reaching a maximum of 900 ft. The last recorded position was at 20:15 UTC, at 475 ft and 64 knots, descending at 1,280 feet per minute, about 8 km from Arlington Muni (KAWO).
The nearest weather report, from KAWO (8 km away), showed wind 300° at 7 knots, visibility 6 miles or more, no ceiling reported (VFR conditions).
This page reconstructs the flight from public ADS-B data for information only. The NTSB report is the authority on what happened and why.
Key facts
- Date
- September 30, 2026
- Location
- Lake Goodwin, Washington
- Aircraft
- Gronberger Sergio A SPORTSMAN GS-2
- Registration
- N360ET
- Injuries
- None
- NTSB case
- WPR26LA368 (In work)
- Departure area
- Arlington Muni (KAWO)
- Nearest airport
- Arlington Muni (KAWO)
- Recorded flight
- 5 min, max 900 ft
- Last recorded position
- 20:15 UTC, 475 ft, 64 kt
3D flight replay
Replay the recorded flight in 3D with the weather, light and terrain at the time, flight instruments reconstructed from the aircraft's ADS-B transmissions, and automatically detected events.
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Sources: NTSB case WPR26LA368; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.