# N1021Y: 1981 Hiller-Mitchell UH-12B, registration cancelled 2019-07-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 18, 2019
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller-Mitchell UH-12B](https://openairdocs.org/model/hiller-mitchell-uh-12b) (registry code 4360702)
- Engine: [Franklin 6V-335 series](https://openairdocs.org/engine/franklin-6v-335-series) (registry code 27039)
- Data sheets: [TCDS 6H2](https://openairdocs.org/tcds/6H2), [TCDS E-244](https://openairdocs.org/tcds/E-244) (OpenAirDocs)
- Serial number: MH 353
- Year built: 1981
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: July 2, 1981
- Certificate issued: November 18, 2008
- Last registry action: January 13, 2016
- Mode S code: A00EB4
- Owner when cancelled: [King Mike D](https://openairdocs.org/faa-owner/KING%20MIKE%20D)
- Location: [La Porte, TX](https://openairdocs.org/faa-place/TX/La%20Porte)
- Owner type: Individual
- Owner's area on the map: 29.6885° N, 95.0574° W: Placed by OpenAirDocs at the center of ZIP code 77571, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1021Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1021Y
- Page: https://openairdocs.org/deregistered/N1021Y-2019-07-18

From the FAA registry file of November 5, 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-Mitchell UH-12B: https://openairdocs.org/model/hiller-mitchell-uh-12b.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 MKC84LA102](https://openairdocs.org/ntsb/MKC84LA102), Mar 15, 1984: Hiller UH-12B (N1021Y), Ulysses, KS, substantial damage

## 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 19840315007069A](https://openairdocs.org/incident/19840315007069A), Mar 15, 1984: Hiller UH12B (N1021Y), Ulysses, KS, Substantial damage. Lost tail rotor control. Made hard autorotational landing. Gear box had separated. Fatigue break in attach fittings

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