# N6503Z: 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: April 24, 1974
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6503Z
- Page: https://openairdocs.org/aircraft/N6503Z

## Aircraft that carried N6503Z

- [Cancelled 1974-04-24](https://openairdocs.org/deregistered/N6503Z-1974-04-24): Piper PA-25, S/N 25-699. Owner: [Mueller Robert L](https://openairdocs.org/faa-owner/MUELLER%20ROBERT%20L), [South Haven, MI](https://openairdocs.org/faa-place/MI/South%20Haven)

## NTSB investigations on N6503Z (3)

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 CHI71FBA11](https://openairdocs.org/ntsb/CHI71FBA11), Aug 29, 1970: Piper PA-25 (N6503Z), Laurel, IN, substantial damage
- [NTSB MIA67D0509](https://openairdocs.org/ntsb/MIA67D0509), Apr 3, 1967: Piper PA-25 (N6503Z), Dover, FL, substantial damage
- [NTSB UNK64X1282](https://openairdocs.org/ntsb/UNK64X1282), Apr 12, 1964: Piper PA25 (N6503Z), Plant City, FL, substantial damage

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
