# N33472: 1972 Hiller H-23D

- Status: Valid registration
- Airframe: [Hiller H-23D](https://openairdocs.org/model/hiller-h-23d) (registry code 4360120, 4 seats)
- Data sheets: [TCDS 4H10](https://openairdocs.org/tcds/4H10) (Siam Hiller Holdings Inc.) (OpenAirDocs)
- Serial number: 61-3097
- Year built: 1972
- Type: Rotorcraft
- Engine type: Reciprocating
- Certificate issued: December 22, 1999
- Expires: January 31, 2029
- Mode S code: A3A813
- Registered owner: [Pockrus Pat Bruce](https://openairdocs.org/faa-owner/POCKRUS%20PAT%20BRUCE)
- Location: [Mineral Wells, TX](https://openairdocs.org/faa-place/TX/Mineral%20Wells)
- Owner type: Individual
- Owner's area on the map: 32.8024° N, 98.1425° W: Placed by OpenAirDocs at the center of ZIP code 76067, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33472
- Page: https://openairdocs.org/aircraft/N33472

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Hiller H-23D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N33472.

## FAA accident and incident reports

None matched to N33472.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N33472

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N33472 before.

- [Cancelled 1950-09-20](https://openairdocs.org/deregistered/N33472-1950-09-20): Piper J3F-65, S/N 5982. Owner: [Robert J Horak](https://openairdocs.org/faa-owner/ROBERT%20J%20HORAK), [Penn Run, PA](https://openairdocs.org/faa-place/PA/Penn%20Run)

## Related

- Other Hiller H-23D aircraft: https://openairdocs.org/model/hiller-h-23d/aircraft.md

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