# N21977: 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: September 7, 2016
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21977
- Page: https://openairdocs.org/aircraft/N21977

## Aircraft that carried N21977

- [Cancelled 2016-09-07](https://openairdocs.org/deregistered/N21977-2016-09-07): Rearwin 9000-KR, S/N 646-D, built 1939. Third renewal notice. Owner: [Southwest Assets Inc](https://openairdocs.org/faa-owner/SOUTHWEST%20ASSETS%20INC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## NTSB investigations on N21977 (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 FTW80FRJ05](https://openairdocs.org/ntsb/FTW80FRJ05), Oct 21, 1979: Rearwin 9000KR (N21977), Jacksonville, TX, substantial damage

## FAA accident and incident reports on N21977 (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 19791021033659A](https://openairdocs.org/incident/19791021033659A), Oct 21, 1979: Comwth REWN9000KR (N21977), Jacksonville, TX, Substantial damage. Pilot made downwind takeoff. Engine failed to develop full power. Hit tree off end rwy. Found broken exhaust spring

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