# Accident 20110709013169A: Schweizer Aircraft Corp G-164B, Yuba City, CA, July 9, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 9, 2011, 15:12 local time
- Place: Yuba City, CA
- Damage: Substantial damage
- Phase of flight: Takeoff: Climb Out
- Operating rules: Agricultural (Part 137)
- Location: 39.0683° N, 121.7353° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=39.0683&lon=-121.7353&mi=10
- Aircraft: N7503L, registered now (https://openairdocs.org/aircraft/N7503L) (OpenAirDocs)
- Registry model: Schweizer G-164B (registry code 8059055, https://openairdocs.org/model/schweizer-g-164b) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: SCHWEIZER AIRCRAFT CORP G-164B
- Reported engine: P&W PT-6
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 11,433 total, 5,533 in this make and model, 250 in the last 90 days
- NTSB investigation: [NTSB WPR11LA320](https://openairdocs.org/ntsb/WPR11LA320) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110709013169A

## Narrative

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

THE AIRCRAFT UPLIFTED A 2000 POUND LOAD OF FERTILIZER FOR DISBURSEMENT. AFTER TAKEOFF AT APPROXIMATELY 30 FEET ALTITUDE THE PILOT HEARD A LOAD BANG FOLLOWED BY A LOSS IN ENGINE POWER. HE ALSO OBSERVED FLAMES COMING OUT OF THE ENGINE EXHAUST. THE PILOT IMMEDIATELY STEERED THE AIRCRAFT TO THE RIGHT I AN ATTEMPT TO LAND ON AN ADJACENT ROAD. THE AIRCRAFT LANDED A FEW FEET SHORT OF THE ROAD IN A DRY DRAINAGE DITCH. THE WHEELS DUG INTO THE LOOSE DIRT AND THE AIRCRAFT FLIPPED OVER ON ITS BACK. PRIOR TO THE FLIGHT THE AIRCRAFT WAS OPERATED FOR FIVE HOURS WITHOUT PROBLEMS.

## 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 WPR11LA320](https://openairdocs.org/ntsb/WPR11LA320), Jul 9, 2011: Schweizer G-164B (N7503L), Yuba City, CA, substantial damage. Probable cause: High-cycle fatigue on the 1st-stage compressor blade retaining ring, which resulted in the ring’s fracture and a subsequent loss of engine power.

## Other reports on N7503L (2)

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

- [Accident 20250509017149A](https://openairdocs.org/incident/20250509017149A), May 9, 2025: Schweizer Aircraft Corp G-164B (N7503L), Butte City, CA, Substantial damage. The pilot reported at approximatley 0830 hrs on may 9, 2025, that while landing for a reload the approach seemed a little fast, and on touchdown rollout he…
- [Accident 19930317005569A](https://openairdocs.org/incident/19930317005569A), Mar 17, 1993: Scwzer G164B (N7503L), Quincy, WA, Substantial damage. Lost power returning to airport. Nosed over landing in a field in snowdrift. NR7 cylinder had come loose.

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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