# N6055: Hiller OH-23B

- Status: Valid registration
- Airframe: [Hiller OH-23B](https://openairdocs.org/model/hiller-oh-23b) (registry code 4360109, 4 seats)
- Data sheets: [TCDS 6H2](https://openairdocs.org/tcds/6H2) (Siam Hiller Holdings Inc.) (OpenAirDocs)
- Serial number: 598
- Type: Rotorcraft
- Engine type: Reciprocating
- Certificate issued: October 28, 2022
- Expires: October 31, 2029
- Mode S code: A7DCD9
- Registered owner: [Swicord Steven E](https://openairdocs.org/faa-owner/SWICORD%20STEVEN%20E)
- Location: [Florala, AL](https://openairdocs.org/faa-place/AL/Florala)
- Owner type: Individual
- Owner's area on the map: 31.0845° N, 86.3570° W: Placed by OpenAirDocs at the center of ZIP code 36442, 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=6055
- Page: https://openairdocs.org/aircraft/N6055

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 OH-23B)

None in force.

## Information bulletins (advisory)

None matched.

## 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 UNK73X0110](https://openairdocs.org/ntsb/UNK73X0110), Apr 13, 1973: Hiller Acft UH-12B (N6055), Gothenburg, SW, 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.

- [Incident 19980711027499I](https://openairdocs.org/incident/19980711027499I), Jul 11, 1998: N6055, Friendswood, TX, Minor damage. Pilot was practicing solo touchdown autorations and hit hard on tail stinger. Tail stinger bent and allowed impact damage to one tail rotor blade, including…
- [Accident 19730413042699A](https://openairdocs.org/incident/19730413042699A), Apr 13, 1973: Hiller UH12C (N6055), Gothenburg, Substantial damage. 1St flt aft transport & maint. Lost RPM in 30FT hover,lndd in river. Reported by swedish govt.

## Service difficulty reports (1)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 97ZZZX1690](https://openairdocs.org/sdr/97ZZZX1690), Mar 4, 1997: SHAFT. SHEARED. WHILE PERFORMING HOVER TRACK AND BALANCE OF THE M/R BLADE ASSEMBLIES, A LOUD BANG WAS HEARD AND ROTOR RPM DECAYED. A HOVERING AUTOROTATION WAS SUCCESSFULLY COMP

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Hiller OH-23B aircraft: https://openairdocs.org/model/hiller-oh-23b/aircraft.md

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