# N716CZ: 2022 Mark W Rieger COZY MKIV

- Status: Valid registration
- Airframe: [Mark W Rieger COZY MKIV](https://openairdocs.org/model/mark-w-rieger-cozy-mkiv) (registry code 05640HK, 4 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 716
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 9, 2022
- Certificate issued: September 2, 2021
- Expires: September 30, 2028
- Mode S code: A992A1
- Registered owner: [Rieger Mark W](https://openairdocs.org/faa-owner/RIEGER%20MARK%20W)
- Location: [Woodland, CA](https://openairdocs.org/faa-place/CA/Woodland)
- Owner type: Individual
- Owner's area on the map: 38.6987° N, 121.6995° W: Placed by OpenAirDocs at the center of ZIP code 95776, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=716CZ
- Page: https://openairdocs.org/aircraft/N716CZ

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 (Mark W Rieger COZY MKIV)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N716CZ.

## 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.

- [Incident 20260128004329I](https://openairdocs.org/incident/20260128004329I), Jan 28, 2026: Mark W Rieger COZY MKIV (N716CZ), Minor damage. Pilot statement, on 1/28/2026 at approximately 4:10PM local, I was cleared to land by boca tower. I was on a 4 mile left base for runway 05 and performed the…

## 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 Mark W Rieger COZY MKIV aircraft: https://openairdocs.org/model/mark-w-rieger-cozy-mkiv/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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