# N4913X: 1974 Rockwell International S-2R, registration cancelled 2017-08-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 30, 2017
- Status when cancelled: Valid registration
- 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: 2104R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: November 22, 1974
- Certificate issued: February 8, 2016
- Last registry action: February 8, 2016
- Mode S code: A616A6
- Owner when cancelled: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4913X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4913X
- Page: https://openairdocs.org/deregistered/N4913X-2017-08-30

From the FAA registry file of October 29, 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

## Service difficulty reports (2)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 98ZZZX1909](https://openairdocs.org/sdr/98ZZZX1909), Apr 22, 1998: BEARING. FAILED. PROPELLER BEARING ROLLERS FLAT IN 81 HOURS. CAUSE UNKNOWN. AFTER 20-HOUR SERVICE, PROPELLER STARTED VIBRATING. PROPELLER WAS REMOVED FROM AIRCRAFT AFTER 81 HOUR
- [SDR 98ZZZX1908](https://openairdocs.org/sdr/98ZZZX1908), Mar 10, 1998: BEARING. FAILED. PROPELLER BEARING ROLLERS FLAT IN 116 HOURS. CAUSE UNKNOWN. STC SP 78365W.

## NTSB investigations (3)

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 WPR17LA174](https://openairdocs.org/ntsb/WPR17LA174), Aug 1, 2017: Rockwell International S 2R (N4913X), Brawley, CA, substantial damage. Probable cause: The partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.
- [NTSB MKC84LA180](https://openairdocs.org/ntsb/MKC84LA180), Jun 16, 1984: Rockwell S-2R (N4913X), Pocahontas, AR, substantial damage
- [NTSB FTW76DPG12](https://openairdocs.org/ntsb/FTW76DPG12), Jul 31, 1975: Aero Comdr 600S2R (N4913X), Augusta, AR, substantial damage

## FAA accident and incident reports (3)

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 20170801010239A](https://openairdocs.org/incident/20170801010239A), Aug 1, 2017: Rockwell International S-2R (N4913X), Brawley, CA, Substantial damage. Pilot reported while flying on the north side of the field he noticed a loss of power. He leveled the wings flying north west some power was received then…
- [Accident 19840616027299A](https://openairdocs.org/incident/19840616027299A), Jun 16, 1984: Ayres S2RR1340REST (N4913X), Pocahontas, AR, Substantial damage. Propeller blade separated in flight caused by fatigue crack. High stress area at crack during STC certification.
- [Accident 19750731023039A](https://openairdocs.org/incident/19750731023039A), Jul 31, 1975: Ayres S2R (N4913X), Augusta, AR, Substantial damage. Bolt came loose at carb. Eng went to idle.

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