# N4027K: Hiller UH-12E, registration cancelled 1989-11-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 3, 1989
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122)
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11) (OpenAirDocs)
- Serial number: 5067
- Type of aircraft: Rotorcraft
- Mode S code: A4B766
- The mark today: https://openairdocs.org/aircraft/N4027K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4027K
- Page: https://openairdocs.org/deregistered/N4027K-1989-11-03

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 Hiller UH-12E: https://openairdocs.org/model/hiller-uh-12e.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 SEA84LA034](https://openairdocs.org/ntsb/SEA84LA034), Jan 5, 1984: Hiller UH-12E (N4027K), Mapleton, OR, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19840105000059A](https://openairdocs.org/incident/19840105000059A), Jan 5, 1984: Hiller UH12E (N4027K), Mapleton, OR, Substantial damage. Engine failed during spray run. Forced landing in hilly terrain. Spur coupling and compressor adapter had failed.

## Other aircraft with N4027K

- [Registered now](https://openairdocs.org/aircraft/N4027K): Aerostar International RX 8, S/N RX8-3286
- [Cancelled 1953-08-10](https://openairdocs.org/deregistered/N4027K-1953-08-10): North American NAVION A, S/N NAV-4-1027. Exported to Iceland. Owner: [Clementon Aviation Inc](https://openairdocs.org/faa-owner/CLEMENTON%20AVIATION%20INC), [Clementon, NJ](https://openairdocs.org/faa-place/NJ/Clementon)

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