# N4433S: 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: February 29, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4433S
- Page: https://openairdocs.org/aircraft/N4433S

## Aircraft that carried N4433S

- [Cancelled 2012-02-29](https://openairdocs.org/deregistered/N4433S-2012-02-29): Air Tractor AT-301, S/N 301-0093, built 1977. Third renewal notice. Owner: [Melex USA Inc](https://openairdocs.org/faa-owner/MELEX%20USA%20INC), [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh)

## NTSB investigations on N4433S (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 FTW90DPG08](https://openairdocs.org/ntsb/FTW90DPG08), Aug 14, 1990: Air Tractor AT-301 (N4433S), Corning, AR, substantial damage. Probable cause: BLOCKAGE OF THE CARBURETOR AIR INTAKE BY A COLLAPSED AIR INDUCTION HOSE DUE TO IMPROPER MAINTENANCE BY AN UNKNOWN PARTY.
- [NTSB ATL81FLT04](https://openairdocs.org/ntsb/ATL81FLT04), Feb 26, 1981: Air Tractor AT-301 (N4433S), Crenshaw, MS, substantial damage

## FAA accident and incident reports on N4433S (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 19900814038289A](https://openairdocs.org/incident/19900814038289A), Aug 14, 1990: Airtrc AT301 (N4433S), Corning, AR, Substantial damage. Engine quit on climbout. Engine air induction hose collapsed. Blocked air to carburetor.
- [Accident 19810226006369A](https://openairdocs.org/incident/19810226006369A), Feb 26, 1981: Airtrc AT301 (N4433S), Crenshaw, MS, Substantial damage. Engine quit on takeoff. Found large amounts of water and dirt in fuel system.

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