# N9731B: 1957 Cessna 180A, registration cancelled 2013-05-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 23, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 180A](https://openairdocs.org/model/cessna-180a) (registry code 2072604)
- Engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026)
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6) (OpenAirDocs)
- Serial number: 50029
- Year built: 1957
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: August 13, 1957
- Certificate issued: May 15, 1986
- Last registry action: May 29, 2003
- Mode S code: AD9147
- Owner when cancelled: [Horton Philip D](https://openairdocs.org/faa-owner/HORTON%20PHILIP%20D)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Individual
- Owner's area on the map: 45.5443° N, 122.6432° W: Placed by OpenAirDocs at the center of ZIP code 97212, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9731B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9731B
- Page: https://openairdocs.org/deregistered/N9731B-2013-05-23

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 Cessna 180A: https://openairdocs.org/model/cessna-180a.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 MKC68F0274](https://openairdocs.org/ntsb/MKC68F0274), Oct 7, 1967: Cessna 180A (N9731B), Rockwell Cty, IA, 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.
