# N33AC: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 3
- Last cancelled: June 19, 2012
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33AC
- Page: https://openairdocs.org/aircraft/N33AC

## Aircraft that carried N33AC

- [Cancelled 2012-06-19](https://openairdocs.org/deregistered/N33AC-2012-06-19): Robinson Helicopter R44, S/N 916. Assigned, pending cancellation
- [Cancelled 2008-02-13](https://openairdocs.org/deregistered/N33AC-2008-02-13): Piper PA-23-250, S/N 27-7405299, built 1973. Triennial form not returned. Owner: [Felmlee Edward A](https://openairdocs.org/faa-owner/FELMLEE%20EDWARD%20A), [Cleveland, OK](https://openairdocs.org/faa-place/OK/Cleveland)
- [Cancelled 1981-03-13](https://openairdocs.org/deregistered/N33AC-1981-03-13): Douglas DC-4, S/N 42927, built 1945. Owner: [Garfinkle Jack M](https://openairdocs.org/faa-owner/GARFINKLE%20JACK%20M), [Tarzana, CA](https://openairdocs.org/faa-place/CA/Tarzana)

## NTSB investigations on N33AC (1)

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 DFW05LA081](https://openairdocs.org/ntsb/DFW05LA081), Mar 5, 2005: Piper PA-23-250 (N33AC), Westport, OK, substantial damage. Probable cause: The collapsing of the right main landing gear as a result of the failure of the scissors assembly.

## FAA accident and incident reports on N33AC (1)

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 20050305002009A](https://openairdocs.org/incident/20050305002009A), Mar 5, 2005: Piper PA23250 (N33AC), Westport, OK, Destroyed. (-23) The aircraft was landing on runway 03 at 4F1. During the landing roll the pilot and witnesses reported the right main landing gear collapsed. The…

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