# N2471M: 1979 Piper PA-23-250, registration cancelled 2018-04-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 19, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308)
- Engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533)
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10), [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (OpenAirDocs)
- Serial number: 27-7954065
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: April 12, 1979
- Certificate issued: October 10, 2014
- Last registry action: October 10, 2014
- Mode S code: A24C87
- Owner when cancelled: [Bonner Steven](https://openairdocs.org/faa-owner/BONNER%20STEVEN)
- Location: [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)
- Owner type: Individual
- Owner's area on the map: 37.7188° N, 122.4113° W: Placed by OpenAirDocs at the center of ZIP code 94134, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N2471M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2471M
- Page: https://openairdocs.org/deregistered/N2471M-2018-04-19

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

## Service difficulty reports (2)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 20000427SH029](https://openairdocs.org/sdr/20000427SH029), Mar 4, 2000: ROD. CRACKED. DURING ANNUAL INSPECTION, FUNCTIONAL TEST OF THE MAIN LANDING GEAR REVEALED THE LT MLG WAS NOT GOING ALL THE WAY UP INTO THE WELL LEAVING A 1.50 INCH CRACK BETW
- [SDR 95ZZZX5822](https://openairdocs.org/sdr/95ZZZX5822), Sep 19, 1995: CYLINDER. CRACKED. THE PILOT REPORTED LOW EGT ON THE LEFT ENGINE. A VISUAL INSPECTION OF NR 6 CYLINDER WHERE THE EGT PROBE IS LOCATED REVEALED A CRACK AT THE LOWER SPARK PLUG HOLE

## Other aircraft with N2471M

- [Cancelled 1971-09-14](https://openairdocs.org/deregistered/N2471M-1971-09-14): Piper PA-12, S/N 12-1689. Owner: [Quinn Fisheries Wallace M](https://openairdocs.org/faa-owner/QUINN%20FISHERIES%20WALLACE%20M), [Apalachicola, FL](https://openairdocs.org/faa-place/FL/Apalachicola)

---
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.