# Accident 20190525005299A: Rockwell International S-2R, Oakes, ND, May 25, 2019

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 25, 2019, 14:45 local time
- Place: Oakes, ND
- Damage: Substantial damage
- Phase of flight: Other, Specify
- Operating rules: Agricultural (Part 137)
- Operator: 2MPG
- Location: 46.0969° N, 97.9194° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.0969&lon=-97.9194&mi=10
- Aircraft: N4907X, a cancelled registration (https://openairdocs.org/deregistered/N4907X-2021-10-02) (OpenAirDocs)
- Registry model: Rockwell International S-2R (registry code 7630202, https://openairdocs.org/model/rockwell-international-s-2r) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: ROCKWELL INTERNATIONAL S-2R
- Reported engine: HONEYWELL TPE 331-6
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 8,500 total
- NTSB investigation: [NTSB CEN19LA156](https://openairdocs.org/ntsb/CEN19LA156) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20190525005299A

## Narrative

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

N4907X DEPARTED 2D5 AT 2 PM HEADED TO THE SOUTH EAST ABOUT 10 NA MILES FROM THE AIRPORT.  PILOT STARTED SPRAYING ON THE EAST SIDE OF THE FIELD SPRAYING NORTH AND SOUTH AND WORKING HIS WAY TOWARD THE WEST, INTO THE WIND. ON THE TURN AROUND, ON THE NORTH END OF THE FIELD, ON PASS NUMBER 16, THE ENGINE LOST POWER AND THE PILOT LANDED THE AIRCRAFT IN A FIELD 2500FT TO THE EAST. THE LANDING GEAR COLLAPSED WHEN THE AIRCRAFT IMPACTED THE TERRAIN AND THE AIRCRAFT CAME TO REST ABOUT 50 YARDS AWAY.

## 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 CEN19LA156](https://openairdocs.org/ntsb/CEN19LA156), May 25, 2019: Rockwell S 2R (N4907X), Oakes, ND, substantial damage. Probable cause: The failure of the helical cam gear of the engine assembly due to fatigue cracks in the gear teeth, which resulted in a total loss of engine power.

## Other reports on N4907X (1)

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

- [Accident 19960624015049A](https://openairdocs.org/incident/19960624015049A), Jun 24, 1996: Ayres S2R (N4907X), Durango, CO, Substantial damage. Aircraft was unable to climb after takeoff and it struck a dike at end of the runway.

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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