# N4223F: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: February 13, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4223F
- Page: https://openairdocs.org/aircraft/N4223F

## Aircraft that carried N4223F

- [Cancelled 2018-02-13](https://openairdocs.org/deregistered/N4223F-2018-02-13): Air Tractor AT-401B, S/N 401B-1208. Registration expired, pending cancellation. Owner: [Frontier Ag Inc](https://openairdocs.org/faa-owner/FRONTIER%20AG%20INC), [Oakley, KS](https://openairdocs.org/faa-place/KS/Oakley)
- [Cancelled 2001-11-01](https://openairdocs.org/deregistered/N4223F-2001-11-01): Cessna 172, S/N 46123, built 1958. Owner: [Krebs Ernest S](https://openairdocs.org/faa-owner/KREBS%20ERNEST%20S), [Rapid City, SD](https://openairdocs.org/faa-place/SD/Rapid%20City)

## NTSB investigations on N4223F (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 CEN14LA376](https://openairdocs.org/ntsb/CEN14LA376), Jul 18, 2014: Air Tractor AT 401B (N4223F), Ellis, KS, substantial damage, 1 fatal. Probable cause: The noninstrument-rated pilot’s inadequate preflight weather planning and subsequent inadvertent encounter with instrument meteorological conditions, which resulted in spatial disorientation and the…
- [NTSB DEN01FA028](https://openairdocs.org/ntsb/DEN01FA028), Dec 16, 2000: Cessna 172 (N4223F), Lusk, WY, substantial damage, 2 fatal. Probable cause: the pilot's VFR flight into instrument meteorological conditions, and his subsequent failure to maintain terrain clearance, which resulted in an in-flight collision with terrain. Contributing factors…

## FAA accident and incident reports on N4223F (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 20140717016129A](https://openairdocs.org/incident/20140717016129A), Jul 17, 2014: Air Tractor Inc AT-401B (N4223F), Ellis, KS, Substantial damage, 1 fatal. On July 17, 2014, at approximately 2300 CDT, the airman was involved in an aircraft accident while operating in the vicinity of Ellis, KS. The aircraft, an Air…
- [Accident 20001215025269A](https://openairdocs.org/incident/20001215025269A), Dec 15, 2000: Cessna 172 (N4223F), Lusk, WY, No damage, 2 fatal. (-23) Non-instrument rated pilot filed no flight plan, obtained no preflight weather brief and expereinced controlled flight into terrain during instrument…

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