Diamond Aircraft Ind DA 40 N22QT accident near Oakland, California, April 20, 2025
Diamond Aircraft Ind DA 40, registration N22QT, operated by ALAMEDA AERO CLUB, was involved in an accident near Oakland, California on April 20, 2025. The NTSB lists the highest injury level as none. Case WPR25LA139 is completed.
ADS-B receivers recorded 15 minutes of the flight after departing the Oakland Intl area (KOAK), reaching a maximum of 900 ft. The last recorded position was at 18:32 UTC, on the ground, about 3 km from Oakland Intl (KOAK).
The nearest weather report, from KOAK (2 km away), showed wind 280° at 7 knots, visibility 6 miles or more, no ceiling reported (VFR conditions).
The aircraft is a Diamond DA 40 registered in United States (Mode S A1E018).
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
- April 20, 2025
- Location
- Oakland, California
- Aircraft
- Diamond Aircraft Ind DA 40
- Registration
- N22QT
- Operator
- ALAMEDA AERO CLUB
- Injuries
- None
- NTSB case
- WPR25LA139 (Completed)
- Departure area
- Oakland Intl (KOAK)
- Nearest airport
- Oakland Intl (KOAK)
- Recorded flight
- 15 min, max 900 ft
- Last recorded position
- 18:32 UTC, on the ground
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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- Hawker Aircraft Ltd HAWKER HUNTER MK.58 N345AX, Morro Bay, California, September 22, 2026
- Diamond Aircraft Ind DA 40 N162GL, Eldorado Springs, Colorado, October 4, 2026
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Sources: NTSB case WPR25LA139; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.