# N873Z: 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: May 21, 2018
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=873Z
- Page: https://openairdocs.org/aircraft/N873Z

## Aircraft that carried N873Z

- [Cancelled 2018-05-21](https://openairdocs.org/deregistered/N873Z-2018-05-21): Sikorsky S-55B, S/N 55372, built 1953. Revoked, canceled. Owner: [Carson Hel New England Inc](https://openairdocs.org/faa-owner/CARSON%20HEL%20NEW%20ENGLAND%20INC), [Boston, MA](https://openairdocs.org/faa-place/MA/Boston)

## NTSB investigations on N873Z (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 UNK64X2139](https://openairdocs.org/ntsb/UNK64X2139), Jun 5, 1964: Sikorsky S55 (N873Z), Holopaw, FL, substantial damage

## FAA accident and incident reports on N873Z (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.

- [Incident 19800628056589I](https://openairdocs.org/incident/19800628056589I), Jun 28, 1980: Boeing 727 (N873Z), St Louis, MO. Lost hydraulic pressure and system during climb. Dumped fuel and returned.

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