# N399Y: 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, 1971
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=399Y
- Page: https://openairdocs.org/aircraft/N399Y

## Aircraft that carried N399Y

- [Cancelled 1971-06-25](https://openairdocs.org/deregistered/N399Y-1971-06-25): Grumman G-164, S/N 211. Owner: [Southern Water Co Of Puerto Rico Inc](https://openairdocs.org/faa-owner/SOUTHERN%20WATER%20CO%20OF%20PUERTO%20RICO%20INC), Mercedita

## NTSB investigations on N399Y (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 MIA71FKA12](https://openairdocs.org/ntsb/MIA71FKA12), Jun 22, 1971: Grumman G-164 (N399Y), Ponce, PR, destroyed, 1 fatal

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