# N434EJ: 1966 Learjet 23, registration cancelled 1970-10-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 16, 1970
- Status when cancelled: Valid registration
- Airframe: [Learjet 23](https://openairdocs.org/model/learjet-23) (registry code 5170102)
- Data sheets: [TCDS A5CE](https://openairdocs.org/tcds/A5CE) (OpenAirDocs)
- Serial number: 23046
- Year built: 1966
- Type of aircraft: Fixed wing multi engine
- Certificate issued: July 14, 1966
- Mode S code: A53267
- Owner when cancelled: [Executive Jet Sales Inc](https://openairdocs.org/faa-owner/EXECUTIVE%20JET%20SALES%20INC)
- Location: [Columbus, OH](https://openairdocs.org/faa-place/OH/Columbus)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N434EJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=434EJ
- Page: https://openairdocs.org/deregistered/N434EJ-1970-10-16

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 Learjet 23: https://openairdocs.org/model/learjet-23.md

## NTSB investigations (2)

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 DCA70AZ008](https://openairdocs.org/ntsb/DCA70AZ008), May 9, 1970: Lear Jet 23A (N434EJ), Pellston, MI, destroyed, 6 fatal
- [NTSB DEN67A0066](https://openairdocs.org/ntsb/DEN67A0066), Apr 23, 1967: Lear 23 (N434EJ), Spanish Fork, UT, substantial damage

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