# N82V: Herzstein Donald L COZY IV

- Status: Valid registration
- Airframe: [Herzstein Donald L COZY IV](https://openairdocs.org/model/herzstein-donald-l-cozy-iv) (registry code 05612GS, 4 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 0379
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 28, 2004
- Certificate issued: May 23, 2023
- Expires: May 31, 2030
- Mode S code: AB305D
- Registered owners: [Stypinski Stephen M](https://openairdocs.org/faa-owner/STYPINSKI%20STEPHEN%20M), [Stypinski Jamie L](https://openairdocs.org/faa-owner/STYPINSKI%20JAMIE%20L)
- Location: [Yucca Valley, CA](https://openairdocs.org/faa-place/CA/Yucca%20Valley)
- Owner type: Co-owned
- Owner's area on the map: 34.1601° N, 116.4247° W: Placed by OpenAirDocs at the center of ZIP code 92284, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=82V
- Page: https://openairdocs.org/aircraft/N82V

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 (Herzstein Donald L COZY IV)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

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 WPR21LA071](https://openairdocs.org/ntsb/WPR21LA071), Nov 17, 2020: Co Z Cozy (N82V), Compton, CA, substantial damage. Probable cause: The partial loss of engine power due to an improperly installed sparkplug.

## 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.

- [Accident 20201117019599A](https://openairdocs.org/incident/20201117019599A), Nov 17, 2020: Herzstein Donald L COZY IV (N82V), Compton, CA, Substantial damage. On November 17, 2020, at approx. 1415 local time, N82V, a Cozy IV certificated in the experimental armature built category landed on runway 25L at cpm (Compton…
- [Incident 20040909021729I](https://openairdocs.org/incident/20040909021729I), Sep 9, 2004: Amtr COZYMKIV (N82V), Chino, CA, Minor damage. (-23) Mr. Herzstein landed his cozy iv aircraft on cno rwy 26R nose gear up.

## 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 N82V

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N82V before.

- [Cancelled 1998-10-22](https://openairdocs.org/deregistered/N82V-1998-10-22): Debelle Don C QUESTAIR VENTURE, S/N 82. Triennial form not returned. Owner: [De Belle Don C](https://openairdocs.org/faa-owner/DE%20BELLE%20DON%20C), [Gribaldi, OR](https://openairdocs.org/faa-place/OR/Gribaldi)
- [Cancelled 1978-12-28](https://openairdocs.org/deregistered/N82V-1978-12-28): Beech 95-C55, S/N TE-128. Owner: [Nields James F](https://openairdocs.org/faa-owner/NIELDS%20JAMES%20F), [Hardwick, MA](https://openairdocs.org/faa-place/MA/Hardwick)

## Related

- Other Herzstein Donald L COZY IV aircraft: https://openairdocs.org/model/herzstein-donald-l-cozy-iv/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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