# N421F: 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: January 19, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421F
- Page: https://openairdocs.org/aircraft/N421F

## Aircraft that carried N421F

- [Cancelled 2018-01-19](https://openairdocs.org/deregistered/N421F-2018-01-19): Bolkow PHOEBUS B-1, S/N 756, built 1967. Registration expired, pending cancellation. Owner: [Smith Rodney L](https://openairdocs.org/faa-owner/SMITH%20RODNEY%20L), [Alamogordo, NM](https://openairdocs.org/faa-place/NM/Alamogordo)

## NTSB investigations on N421F (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 NYC78FGM25](https://openairdocs.org/ntsb/NYC78FGM25), Apr 16, 1978: Entwicklung B-1 (N421F), Butler, PA, substantial damage

## FAA accident and incident reports on N421F (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 19780416026671A](https://openairdocs.org/incident/19780416026671A), Apr 16, 1978: Entwic PHOEBUSC (N421F), Butler, PA, Substantial damage

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