# N921DH: 1996 Hartzler Richard B NIEUPORT II

- Status: Valid registration
- Airframe: [Hartzler Richard B NIEUPORT II](https://openairdocs.org/model/hartzler-richard-b-nieuport-ii) (registry code 0564037, 2 seats)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: 00736
- Year built: 1996
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 17, 1997
- Certificate issued: November 6, 1996
- Expires: November 30, 2028
- Mode S code: ACC234
- Registered owner: [Hartzler Richard B](https://openairdocs.org/faa-owner/HARTZLER%20RICHARD%20B)
- Location: [Grandview, MO](https://openairdocs.org/faa-place/MO/Grandview)
- Owner type: Individual
- Owner's area on the map: 38.8814° N, 94.5227° W: Placed by OpenAirDocs at the center of ZIP code 64030, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=921DH
- Page: https://openairdocs.org/aircraft/N921DH

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 (Hartzler Richard B NIEUPORT II)

None in force.

### Matched by engine (Volkswagen CONVERSION)

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 CHI98LA211](https://openairdocs.org/ntsb/CHI98LA211), Jun 21, 1998: Hartzler Nieuport 11 (N921DH), Gardner, KS, substantial damage. Probable cause: the pilot's inadequate weather evaluation and the aircraft stall. A factor to the accident was the gusting wind.

## 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 19980620014489A](https://openairdocs.org/incident/19980620014489A), Jun 20, 1998: Amtr NIEUPORTII (N921DH), Gardner, KS, Substantial damage. (.4)The pilot was going to fly one more flight around the traffic pattern for some individuals to take photographs of his aircraft. The pilot stated that there…

## 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.

## Related

- Other Hartzler Richard B NIEUPORT II aircraft: https://openairdocs.org/model/hartzler-richard-b-nieuport-ii/aircraft.md
- The Volkswagen CONVERSION engine: https://openairdocs.org/engine/volkswagen-conversion.md

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