# N603U: 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: June 25, 1976
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=603U
- Page: https://openairdocs.org/aircraft/N603U

## Aircraft that carried N603U

- [Cancelled 1976-06-25](https://openairdocs.org/deregistered/N603U-1976-06-25): Grumman G-164, S/N 332, built 1965. Sale reported. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## NTSB investigations on N603U (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 FTW69D0056](https://openairdocs.org/ntsb/FTW69D0056-201082), Jun 17, 1968: Grumman G-164 (N603U), Dierks, AR, substantial damage
- [NTSB FTW68F0078](https://openairdocs.org/ntsb/FTW68F0078), Jun 8, 1967: Grumman G-164 (N603U), Manvel, TX, substantial damage

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