# N4321B: Cessna 170B, registration cancelled 1970-06-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 30, 1970
- Status when cancelled: Valid registration
- Airframe: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306)
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799) (OpenAirDocs)
- Serial number: 26665
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 19, 1961
- Mode S code: A52D09
- Owner when cancelled: [Walls Robert C](https://openairdocs.org/faa-owner/WALLS%20ROBERT%20C)
- Location: [Orange, CA](https://openairdocs.org/faa-place/CA/Orange)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4321B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4321B
- Page: https://openairdocs.org/deregistered/N4321B-1970-06-30

From the FAA registry file of November 5, 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 170B: https://openairdocs.org/model/cessna-170b.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 UNK66X0103](https://openairdocs.org/ntsb/UNK66X0103), Oct 12, 1965: Cessna 170B (N4321B), Manzanillo, Mexico, substantial damage

## Other aircraft with N4321B

- [Registered now](https://openairdocs.org/aircraft/N4321B): Scottish SERIES 100 MDL 101, S/N 119, built 1971

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