# N9727C: Hiller UH-12L4, registration cancelled 1975-08-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 7, 1975
- Status when cancelled: Valid registration
- Airframe: [Hiller UH-12L4](https://openairdocs.org/model/hiller-uh-12l4) (registry code 4360128)
- Data sheets: [TCDS H1WE](https://openairdocs.org/tcds/H1WE) (OpenAirDocs)
- Serial number: 2506
- Type of aircraft: Rotorcraft
- Mode S code: AD8E63
- Owner when cancelled: [Hawkins & Powers Aviation Inc](https://openairdocs.org/faa-owner/HAWKINS%20%26%20POWERS%20AVIATION%20INC)
- Location: [Greybull, WY](https://openairdocs.org/faa-place/WY/Greybull)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N9727C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9727C
- Page: https://openairdocs.org/deregistered/N9727C-1975-08-07

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-12L4: https://openairdocs.org/model/hiller-uh-12l4.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 DEN76FTC02](https://openairdocs.org/ntsb/DEN76FTC02), Jul 11, 1975: Hiller Acft UH12L4 (N9727C), Wapiti, WY, destroyed
- [NTSB DEN75DTE01](https://openairdocs.org/ntsb/DEN75DTE01), Jul 4, 1974: Hiller Acft UH12L4 (N9727C), Delores, CO, substantial damage

## FAA accident and incident reports (2)

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 19750711017179A](https://openairdocs.org/incident/19750711017179A), Jul 11, 1975: Hiller UH12L4 (N9727C), Wapiti, WY, Destroyed. Settled with pwr into sling load on 3rd attmpt to lift load. Density alt 14700FT.
- [Accident 19740704019219A](https://openairdocs.org/incident/19740704019219A), Jul 4, 1974: Hiller UH12L4 (N9727C), Delores, CO, Substantial damage. Apch made into rising sun. Wires partially hidden. Surveying fire area.

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