# Accident 20100826043649A: Air Tractor AT-401, Castroville, TX, August 26, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 26, 2010, 10:30 local time
- Place: Castroville, TX
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: Agricultural (Part 137)
- Operator: UXRG
- Location: 29.3396° N, 98.8707° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=29.3396&lon=-98.8707&mi=10
- Aircraft: N4530L, a cancelled registration (https://openairdocs.org/deregistered/N4530L-2012-01-25) (OpenAirDocs)
- Registry model: Air Tractor AT-401 (registry code 0390204, https://openairdocs.org/model/air-tractor-at-401) (OpenAirDocs)
- Reported make and model: AIR TRACTOR AT-401
- Reported engine: GARRETT TPE331
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 3,004 total, 1,250 in this make and model, 365 in the last 90 days
- NTSB investigation: [NTSB CEN10LA503](https://openairdocs.org/ntsb/CEN10LA503) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100826043649A

## Narrative

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

DURING AERIAL APPLICATION THE ENGINE LOST POWER. PILOT LANDED AIRCRAFT ON ADJACENT FIELD AND STRUCK SOME TREES CAUSING MAJOR DAMAGE TO THE WINGS. NO OTHER DAMAGE TO PERSONS OR PROPERTY ON THE GROUND. TORQUE SENSOR BEARING FAILED CAUSING FUEL STARVATION TO THE ENGINE. M OR D REPORT IS BEING SUBMITTED BY MECHANIC.

## 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 CEN10LA503](https://openairdocs.org/ntsb/CEN10LA503), Aug 26, 2010: Air Tractor AT-401 (N4530L), Castroville, TX, substantial damage. Probable cause: A loss of engine power due to the failure of the torque sensor bearing.

## Other reports on N4530L (1)

Matched to the same aircraft by N-number and date.

- [Accident 20050204007329A](https://openairdocs.org/incident/20050204007329A), Feb 4, 2005: Airtrc AT401 (N4530L), Calexico, CA, Substantial damage. (-23) On feb. 4, 2005, at 1300 PST, an air tractor AT-401, N4530L, attempted to land at johnsons Brothers airport (61CL). The aircraft was empty. As the acft…

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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