# N4028M: Hiller UH-12E, registration cancelled 2008-06-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 10, 2008
- Status when cancelled: Triennial form not returned
- 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: 5094
- Type of aircraft: Rotorcraft
- Certificate issued: April 15, 1993
- Last registry action: April 15, 2008
- Mode S code: A4B78B
- Owner when cancelled: [Bonanza Valley Aviation Inc](https://openairdocs.org/faa-owner/BONANZA%20VALLEY%20AVIATION%20INC)
- Location: [Benson, MN](https://openairdocs.org/faa-place/MN/Benson)
- Owner type: Corporation
- Owner's area on the map: 45.3176° N, 95.5720° W: Placed by OpenAirDocs at the center of ZIP code 56215, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4028M
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4028M
- Page: https://openairdocs.org/deregistered/N4028M-2008-06-10

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 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 CHI93DTK02](https://openairdocs.org/ntsb/CHI93DTK02), Jul 18, 1993: Hiller UH-12E (N4028M), Milbank, SD, destroyed. Probable cause: UNDETERMINED

## 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 19930718024379A](https://openairdocs.org/incident/19930718024379A), Jul 18, 1993: Hiller UH12E (N4028M), Milbank, SD, Destroyed. Lost directional control. Struck hay bales in spin. Crashed and burned.

## Other aircraft with N4028M

- [Cancelled 2017-09-07](https://openairdocs.org/deregistered/N4028M-2017-09-07): Robinson Helicopter R44 II, S/N 14101. Exported to China. Owner: [Newport Beach, CA](https://openairdocs.org/faa-place/CA/Newport%20Beach)
- [Cancelled 1973-06-22](https://openairdocs.org/deregistered/N4028M-1973-06-22): Piper PA-12, S/N 12-2912. Owner: [Browning Ellis V](https://openairdocs.org/faa-owner/BROWNING%20ELLIS%20V), [Yuma, AZ](https://openairdocs.org/faa-place/AZ/Yuma)

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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.
