# N4254X: 1962 Hiller UH-12D, registration cancelled 2015-05-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 15, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d) (registry code 4360118)
- Engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10), [TCDS E-304](https://openairdocs.org/tcds/E-304) (OpenAirDocs)
- Serial number: 1378
- Year built: 1962
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 18, 1982
- Certificate issued: August 31, 1993
- Last registry action: May 29, 1997
- Mode S code: A5112C
- Owner when cancelled: [Main Street Aviation Inc](https://openairdocs.org/faa-owner/MAIN%20STREET%20AVIATION%20INC)
- Location: [Newcastle, OK](https://openairdocs.org/faa-place/OK/Newcastle)
- Owner type: Corporation
- Owner's area on the map: 35.2553° N, 97.6101° W: Placed by OpenAirDocs at the center of ZIP code 73065, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4254X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4254X
- Page: https://openairdocs.org/deregistered/N4254X-2015-05-15

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-12D: https://openairdocs.org/model/hiller-uh-12d.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 FTW95LA230](https://openairdocs.org/ntsb/FTW95LA230), Jun 4, 1995: Hiller UH-12E (N4254X), Checotah, OK, substantial damage. Probable cause: THE PILOT ALLOWING THE HELICOPTER TO TOUCHDOWN IMPROPERLY. A FACTOR WAS THE ERRATIC RUNNING ENGINE.

## 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 19950604014509A](https://openairdocs.org/incident/19950604014509A), Jun 4, 1995: Hiller UH12E (N4254X), Checotah, OK, Substantial damage. Erratic engine surging on spray run. Caused yaw during attempted run on landing. Separated skids and tail rotor.

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