# N4907X: 1974 Rockwell International S-2R, registration cancelled 2021-10-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 2, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 2099R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: November 15, 1974
- Certificate issued: June 29, 2012
- Last registry action: February 7, 2018
- Mode S code: A6137B
- Owners when cancelled: [Plath Aviation](https://openairdocs.org/faa-owner/PLATH%20AVIATION), [Plath James F](https://openairdocs.org/faa-owner/PLATH%20JAMES%20F), [Plath Karen M](https://openairdocs.org/faa-owner/PLATH%20KAREN%20M)
- Location: [Davenport, ND](https://openairdocs.org/faa-place/ND/Davenport)
- Owner type: Co-owned
- Owner's area on the map: 46.7362° N, 97.0821° W: Placed by OpenAirDocs at the center of ZIP code 58021, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4907X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4907X
- Page: https://openairdocs.org/deregistered/N4907X-2021-10-02

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Rockwell International S-2R: https://openairdocs.org/model/rockwell-international-s-2r.md

## NTSB investigations (2)

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.
- [NTSB FTW96LA275](https://openairdocs.org/ntsb/FTW96LA275), Jun 24, 1996: Rockwell S2R (N4907X), Las Animas, CO, substantial damage. Probable cause: inadequate preflight planning/preparation by the pilot. Factors relating to the accident were: the unfavorable wind condition for takeoff, and the terrain condition beyond the end of the runway.

## FAA accident and incident reports (2)

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.

- [Accident 20190525005299A](https://openairdocs.org/incident/20190525005299A), May 25, 2019: Rockwell International S-2R (N4907X), Oakes, ND, Substantial damage. 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…
- [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.

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