# N5998M: 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 18, 2009
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5998M
- Page: https://openairdocs.org/aircraft/N5998M

## Aircraft that carried N5998M

- [Cancelled 2009-08-18](https://openairdocs.org/deregistered/N5998M-2009-08-18): Cessna 421B, S/N 421B0241, built 1972. Sale reported. Owner: [Coronado, CA](https://openairdocs.org/faa-place/CA/Coronado)

## NTSB investigations on N5998M (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 FTW77FRA35](https://openairdocs.org/ntsb/FTW77FRA35), Sep 23, 1977: Cessna 421B (N5998M), Houston, TX, substantial damage
- [NTSB CHI74FEC30](https://openairdocs.org/ntsb/CHI74FEC30), Feb 12, 1974: Cessna 421B (N5998M), Flint, MI, substantial damage

## FAA accident and incident reports on N5998M (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 19770923030849A](https://openairdocs.org/incident/19770923030849A), Sep 23, 1977: Cessna 421 (N5998M), Houston, TX, Substantial damage
- [Accident 19740212003259A](https://openairdocs.org/incident/19740212003259A), Feb 12, 1974: Cessna 421B (N5998M), Flint, MI, Substantial damage. Fld cond rpt not obtnd by twr ctlr. Plowed sno intx RWY5-36.acft clrd lnd rwy 5.

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