# N4021P: 1958 Piper PA-23, registration cancelled 1965-07-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 12, 1965
- Status when cancelled: Valid registration
- Airframe: [Piper PA-23](https://openairdocs.org/model/piper-pa-23) (registry code 7102302)
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10) (OpenAirDocs)
- Serial number: 23-1496
- Year built: 1958
- Type of aircraft: Fixed wing multi engine
- Certificate issued: December 7, 1961
- Mode S code: A4B698
- Owner when cancelled: [Ellis Glenn](https://openairdocs.org/faa-owner/ELLIS%20GLENN)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4021P
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4021P
- Page: https://openairdocs.org/deregistered/N4021P-1965-07-12

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-23: https://openairdocs.org/model/piper-pa-23.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 MKC65A0058](https://openairdocs.org/ntsb/MKC65A0058), Apr 8, 1965: Piper PA-23 (N4021P), Grand Forks, ND, destroyed, 2 fatal

## Other aircraft with N4021P

- [Registered now](https://openairdocs.org/aircraft/N4021P): Ayres S2R-T34, S/N T34-025, built 1980

---
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.
