# N7644Z: Piper PA-25-235, registration cancelled 1970-06-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 30, 1970
- Status when cancelled: Valid registration
- Airframe: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504)
- Data sheets: [TCDS 2A8](https://openairdocs.org/tcds/2A8) (OpenAirDocs)
- Serial number: 25-3781
- Type of aircraft: Fixed wing single engine
- Certificate issued: March 14, 1967
- Mode S code: AA5360
- Owner when cancelled: [Mueller Robert L](https://openairdocs.org/faa-owner/MUELLER%20ROBERT%20L)
- Location: [South Haven, MI](https://openairdocs.org/faa-place/MI/South%20Haven)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N7644Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7644Z
- Page: https://openairdocs.org/deregistered/N7644Z-1970-06-30

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Piper PA-25-235: https://openairdocs.org/model/piper-pa-25-235.md

## NTSB investigations (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 CHI68F0123](https://openairdocs.org/ntsb/CHI68F0123), Jun 21, 1967: Piper PA-25 (N7644Z), Bellevue, MI, 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.