# N21CG: 1960 Piper PA-23-250, registration cancelled 2009-07-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 13, 2009
- Status when cancelled: Registration revoked
- Airframe: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308)
- Engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532)
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS E-295](https://openairdocs.org/tcds/E-295) (OpenAirDocs)
- Serial number: 27-45
- Year built: 1960
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: January 3, 1978
- Last registry action: January 7, 1978
- Mode S code: A1B762
- Owner when cancelled: [Aero Exploration Inc](https://openairdocs.org/faa-owner/AERO%20EXPLORATION%20INC)
- Location: [Greeley, CO](https://openairdocs.org/faa-place/CO/Greeley)
- Owner type: Corporation
- Owner's area on the map: 40.4447° N, 104.6794° W: Placed by OpenAirDocs at the center of ZIP code 80631, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21CG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21CG
- Page: https://openairdocs.org/deregistered/N21CG-2009-07-13

From the FAA registry file of October 31, 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-23-250: https://openairdocs.org/model/piper-pa-23-250.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 MKC78FCD36](https://openairdocs.org/ntsb/MKC78FCD36), Jul 2, 1978: Piper PA-23 (N21CG), Olin, IA, substantial damage

## FAA accident and incident reports (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.

- [Accident 19780702015969A](https://openairdocs.org/incident/19780702015969A), Jul 2, 1978: Piper PA23250 (N21CG), Olin, IA, Substantial damage

## Other aircraft with N21CG

- [Registered now](https://openairdocs.org/aircraft/N21CG): Beech B200, S/N BB-1346, built 1989

---
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.