# N4923X: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: August 25, 2004
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4923X
- Page: https://openairdocs.org/aircraft/N4923X

## Aircraft that carried N4923X

- [Cancelled 2004-08-25](https://openairdocs.org/deregistered/N4923X-2004-08-25): Rockwell International S-2R, S/N 2119R, built 1974. Triennial form not returned. Owner: [M J Aviation Inc](https://openairdocs.org/faa-owner/M%20J%20AVIATION%20INC), [Letcher, SD](https://openairdocs.org/faa-place/SD/Letcher)

## NTSB investigations on N4923X (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 CHI03LA243](https://openairdocs.org/ntsb/CHI03LA243), Aug 2, 2003: Rockwell International S-2R (N4923X), Mitchell, SD, substantial damage. Probable cause: The pilot's inadequate visual lookout and not maintaining clearance from the power line during the low level aerial application maneuver. A related factor was the power line.
- [NTSB CHI99LA287](https://openairdocs.org/ntsb/CHI99LA287), Aug 11, 1999: Rockwell S-2R (N4923X), Garden City, KS, substantial damage. Probable cause: The pilot's misjudging his pull-up maneuver resulting in contact with the wire. A contributing factor was the wire.

## FAA accident and incident reports on N4923X (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 20030802016099A](https://openairdocs.org/incident/20030802016099A), Aug 2, 2003: Ayres S2R (N4923X), Mitchell, SD, Destroyed. (-23) On August 2, 2003, N4923K, a rockwell S-2R, struck a powerline at mile marker 334 near Mitchell SD, during an aerial application. The aircraft was…
- [Accident 19990811011759A](https://openairdocs.org/incident/19990811011759A), Aug 11, 1999: Ayres S2R (N4923X), Garden City, KS, Substantial damage. Acft struck power lines during aerial application and sustained substantial damage. (.19) on August 11, 1999, at 0950 central daylight time, a rockwell S-2R…

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