# Accident 20250912015629A: Lawson Thomas O LANCAIR SUPER ES, Mt Hamilton, CA, September 12, 2025

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 12, 2025, 14:25 local time
- Place: Mt Hamilton, CA
- Damage: Destroyed
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 37.3950° N, 121.5883° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.3950&lon=-121.5883&mi=10
- Aircraft: N905ET, registered now (https://openairdocs.org/aircraft/N905ET) (OpenAirDocs)
- Registry model: Lawson Thomas O LANCAIR SUPER ES (registry code 056200A, https://openairdocs.org/model/lawson-thomas-o-lancair-super-es) (OpenAirDocs)
- Registry engine: Continental IO-550 series (registry code 17042, https://openairdocs.org/engine/continental-io-550-series) (OpenAirDocs)
- Reported make and model: LAWSON THOMAS O LANCAIR SUPER ES
- Reported engine: CONT MOTOR IO-550 SERIES
- People aboard: 1
- Fatal injuries: 1
- Other injuries: 0
- Pilot certificates: Airline transport, flight instructor
- NTSB investigation: [NTSB WPR25FA277](https://openairdocs.org/ntsb/WPR25FA277) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250912015629A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

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## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR25FA277](https://openairdocs.org/ntsb/WPR25FA277), Sep 12, 2025: Lawson Thomas O Lancair Super ES (N905ET), Mount Hamilton, CA, destroyed, 1 fatal, investigation ongoing

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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