# N100HH: 1961 Hiller UH-12D, registration cancelled 2018-05-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 30, 2018
- Status when cancelled: Sale reported, canceled
- Airframe: [Hiller UH-12D](https://openairdocs.org/model/hiller-uh-12d) (registry code 4360118)
- Engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10), [TCDS E-279](https://openairdocs.org/tcds/E-279) (OpenAirDocs)
- Serial number: 1266
- Year built: 1961
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: December 22, 1980
- Last registry action: March 10, 2017
- Mode S code: A0056B
- Location: [Claremore, OK](https://openairdocs.org/faa-place/OK/Claremore)
- Owner type: Individual
- Owner's area on the map: 36.2848° N, 95.6032° W: Placed by OpenAirDocs at the center of ZIP code 74019, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N100HH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100HH
- Page: https://openairdocs.org/deregistered/N100HH-2018-05-30

From the FAA registry file of November 3, 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 LAX91LA369](https://openairdocs.org/ntsb/LAX91LA369), Aug 25, 1991: Hiller UH12D (N100HH), Sparks, NV, substantial damage. Probable cause: THE ENCOUNTER WITH ROUGH, UNSUITABLE TERRAIN DURING A PRECAUTIONARY LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S DECISION TO MAKE AN AUTOROTATION AFTER ENCOUNTERING AN AIRFRAME VIBRATION.

## 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 19910824036649A](https://openairdocs.org/incident/19910824036649A), Aug 24, 1991: Hiller UH12D (N100HH), Sparks, NV, Substantial damage. Detected vibration. Autorotated to rough shale rock. Chopped tailboom. Bearing on tail rotor shaft heat damage.

## Other aircraft with N100HH

- [Registered now](https://openairdocs.org/aircraft/N100HH): Evektor-Aerotechnik A S HARMONY LSA, S/N 2025 2254, built 2025

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