# Accident 19910509014871A: Ayres S2RT34RESTD, Marysville, CA, May 9, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 9, 1991, 08:49 local time
- Place: Marysville, CA
- Damage: Destroyed
- Collision: Midair collision, first aircraft
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Operator: NIKG
- Location: 39.1493° N, 121.4705° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.1493&lon=-121.4705&mi=10
- Aircraft: N4012Y, a cancelled registration (https://openairdocs.org/deregistered/N4012Y-2012-11-15) (OpenAirDocs)
- Registry model: Ayres S2R-T34 (registry code 0970106, https://openairdocs.org/model/ayres-s2r-t34) (OpenAirDocs)
- Registry engine: Pratt & Whitney PT6A series (registry code 52032, https://openairdocs.org/engine/pratt-whitney-pt6a-series) (OpenAirDocs)
- Reported make and model: AYRES S2RT34RESTD
- Reported engine: PWA PT6A34AG
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 8,000 total
- NTSB investigation: [NTSB LAX91LA204](https://openairdocs.org/ntsb/LAX91LA204) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910509014871A

## Narrative

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

ON SPRAY TURN AROUND COLLIDED HEAD ON WITH N3633Q THAT WAS IN TURN CLIMBOUT FROM AG STRIP. FAILED TO NOTE OTHER.

## Other aircraft in the event

- N3633Q, Scwzer G164B: [Accident 19910509014872A](https://openairdocs.org/incident/19910509014872A)

## 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 LAX91LA204](https://openairdocs.org/ntsb/LAX91LA204), May 9, 1991: Schweizer G164B (N4012Y), Marysville, CA, destroyed, 1 fatal. Probable cause: THE PILOTS' INADEQUATE VISUAL LOOKOUT FOR OTHER AIR TRAFFIC.

## Other reports on N4012Y (1)

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

- [Accident 19870521038759A](https://openairdocs.org/incident/19870521038759A), May 21, 1987: Ayres S2RRESTD (N4012Y), Mendota, CA, Substantial damage. During spray operation the aircraft struck a pole, impacted crops. Pilots vision obscured in dawn light conditions.

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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