# N4028T: Hiller UH-12E, registration cancelled 1999-06-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 10, 1999
- 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: 5097
- Type of aircraft: Rotorcraft
- Certificate issued: April 26, 1996
- Last registry action: April 20, 1999
- Mode S code: A4B791
- Owner when cancelled: [Wilson Flying Service Inc](https://openairdocs.org/faa-owner/WILSON%20FLYING%20SERVICE%20INC)
- Location: [Walnut Ridge, AR](https://openairdocs.org/faa-place/AR/Walnut%20Ridge)
- Owner type: Corporation
- Owner's area on the map: 36.0461° N, 90.9168° W: Placed by OpenAirDocs at the center of ZIP code 72476, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4028T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4028T
- Page: https://openairdocs.org/deregistered/N4028T-1999-06-10

From the FAA registry file of October 31, 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 (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 FTW98LA253](https://openairdocs.org/ntsb/FTW98LA253), Jun 2, 1998: Hiller UH-12E (N4028T), Delaplaine, AR, substantial damage. Probable cause: The failure of maintenance personnel to comply with and airworthiness directive, which resulted in failure of the planetary gear due to lack of lubrication. A contributing factors was the lack of…
- [NTSB CHI89DEM09](https://openairdocs.org/ntsb/CHI89DEM09), Sep 28, 1989: Hiller UH-12E (N4028T), Hudsonville, MI, substantial damage. Probable cause: THE FATIGUE FAILURE OF ONE OF THE TENSION-TORSION PINS.

## FAA accident and incident reports (3)

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 19980602012139A](https://openairdocs.org/incident/19980602012139A), Jun 2, 1998: Hiller UH12E (N4028T), Deleaplaine, AR, Substantial damage. Acft experienced engine problems, pilot made emerg landing in the field, broke the skid, main rotor struck the grou (.4)the helicopter was traveling in an…
- [Incident 19940620029349I](https://openairdocs.org/incident/19940620029349I), Jun 20, 1994: Hiller UH12E (N4028T), Arcadis, LA, Minor damage. Tried to hover taxi with fuel hose attached to fuel tank. Made hard landing.
- [Accident 19890928036999A](https://openairdocs.org/incident/19890928036999A), Sep 28, 1989: Hiller UH12E (N4028T), Hudsonville, MI, Substantial damage. Vibration on climbout, main rotor severed tailboom. Crashed nose down. Main rotor torsion pins broke. Prior cracks.

## Other aircraft with N4028T

- [Registered now](https://openairdocs.org/aircraft/N4028T): Usu Research Foundation USU WRIGHT FLYER M C, S/N USURF1, built 2003

---
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.