# N4KJ: 1977 Havenor ACRODUSTER TOO SA750, registration cancelled 1978-05-05

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 5, 1978
- Status when cancelled: Valid registration
- Airframe: [Havenor ACRODUSTER TOO SA750](https://openairdocs.org/model/havenor-acroduster-too-sa750) (registry code 8660503)
- Serial number: 87
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 8, 1975
- Mode S code: A4A8D9
- Owner when cancelled: [Havenor Kay](https://openairdocs.org/faa-owner/HAVENOR%20KAY)
- Location: [Roswell, NM](https://openairdocs.org/faa-place/NM/Roswell)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4KJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4KJ
- Page: https://openairdocs.org/deregistered/N4KJ-1978-05-05

From the FAA registry file of October 29, 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 Havenor ACRODUSTER TOO SA750: https://openairdocs.org/model/havenor-acroduster-too-sa750.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 DEN78FQA17](https://openairdocs.org/ntsb/DEN78FQA17), Apr 12, 1978: Acroduster TOO (N4KJ), Roswell, NM, destroyed

## Other aircraft with N4KJ

- [Registered now](https://openairdocs.org/aircraft/N4KJ): Condrey Robert L RV-10, S/N 41108, built 2018
- [Cancelled 2014-07-03](https://openairdocs.org/deregistered/N4KJ-2014-07-03): Aviat A-1A, S/N 1428, built 1998. Exported to Chile. Owner: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)

---
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.