# N21890: 1938 Piper J4, registration cancelled 1955-10-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 19, 1955
- Status when cancelled: Valid registration
- Airframe: [Piper J4](https://openairdocs.org/model/piper-j4) (registry code 7100602)
- Data sheets: [TCDS A-703](https://openairdocs.org/tcds/A-703) (OpenAirDocs)
- Serial number: 4-416
- Year built: 1938
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 16, 1949
- Mode S code: A1DAE6
- Owner when cancelled: [Niblock Robert Etal](https://openairdocs.org/faa-owner/NIBLOCK%20ROBERT%20ETAL)
- Location: [Elkhart, IN](https://openairdocs.org/faa-place/IN/Elkhart)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N21890
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21890
- Page: https://openairdocs.org/deregistered/N21890-1955-10-19

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 Piper J4: https://openairdocs.org/model/piper-j4.md

## Other aircraft with N21890

- [Cancelled 2022-05-17](https://openairdocs.org/deregistered/N21890-2022-05-17): Mooney M20M, S/N 27-0293, built 2000. Owner: [Mcnorton Robert Lynn](https://openairdocs.org/faa-owner/MCNORTON%20ROBERT%20LYNN), [Cantonment, FL](https://openairdocs.org/faa-place/FL/Cantonment)
- [Cancelled 1973-05-16](https://openairdocs.org/deregistered/N21890-1973-05-16): Cessna 188, S/N 18801102. Exported to Spain. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

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