# N611CZ: Composite Aircraft Mfg COZY

- Status: Valid registration
- Airframe: [Composite Aircraft Mfg COZY](https://openairdocs.org/model/composite-aircraft-mfg-cozy) (registry code 05612ZR, 3 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 61
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 16, 2003
- Certificate issued: March 30, 2024
- Expires: March 31, 2031
- Mode S code: A7F2BF
- Registered owner: [Derr Michael K](https://openairdocs.org/faa-owner/DERR%20MICHAEL%20K)
- Location: [Maitland, MO](https://openairdocs.org/faa-place/MO/Maitland)
- Owner type: Individual
- Owner's area on the map: 40.1662° N, 95.1063° W: Placed by OpenAirDocs at the center of ZIP code 64466, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=611CZ
- Page: https://openairdocs.org/aircraft/N611CZ

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 (Composite Aircraft Mfg COZY)

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 MKC89LA065](https://openairdocs.org/ntsb/MKC89LA065), Feb 25, 1989: Composite Aircraft Mfg Cozy (N611CZ), Hudson, IA, substantial damage. Probable cause: IMPROPER PREFLIGHT BY THE PILOT WHICH RESULTED IN AN INADEQUATE FUEL SUPPLY AND FUEL EXHAUSTION.

## FAA accident and incident reports (3)

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 19930516018469I](https://openairdocs.org/incident/19930516018469I), May 16, 1993: Amtrcz COZY (N611CZ), Waterloo, IA. Nose gear collapsed on landing rollout. Found gear retract rod fracture at threads near the swivel.
- [Incident 19890829047639I](https://openairdocs.org/incident/19890829047639I), Aug 29, 1989: Amtrcz COZY (N611CZ), Waterloo, IA, Minor damage. Pilot forgot to extend nose gear and landed gear up. Minor damage.
- [Accident 19890225004149A](https://openairdocs.org/incident/19890225004149A), Feb 25, 1989: Amtrcz COZY (N611CZ), Hudson, IA, Substantial damage. Engine stopped on local flight. Struck ground left gear and wing first on forced landing. Fuel tanks were empty.

## 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 Composite Aircraft Mfg COZY aircraft: https://openairdocs.org/model/composite-aircraft-mfg-cozy/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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