# N500K: 2004 Marshall James J COZY MK IV, registration cancelled 2017-06-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 19, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Marshall James J COZY MK IV](https://openairdocs.org/model/marshall-james-j-cozy-mk-iv) (registry code 05615YJ)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 0163
- Year built: 2004
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 22, 2004
- Certificate issued: August 22, 2003
- Last registry action: August 18, 2009
- Mode S code: A63AD1
- Owner when cancelled: [Marshall James J](https://openairdocs.org/faa-owner/MARSHALL%20JAMES%20J)
- Location: [Grapevine, TX](https://openairdocs.org/faa-place/TX/Grapevine)
- Owner type: Individual
- Owner's area on the map: 32.9420° N, 97.0799° W: Placed by OpenAirDocs at the center of ZIP code 76051, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N500K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=500K
- Page: https://openairdocs.org/deregistered/N500K-2017-06-19

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Marshall James J COZY MK IV: https://openairdocs.org/model/marshall-james-j-cozy-mk-iv.md

## 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 DFW08LA197](https://openairdocs.org/ntsb/DFW08LA197), Jul 24, 2008: Marshall James J Cozy MK IV (N500K), Midlothian, TX, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain clearance from the wall of the rock quarry.

## 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 20080724844039A](https://openairdocs.org/incident/20080724844039A), Jul 24, 2008: Amtr COZYMKIV (N500K), Midlothian, TX, Destroyed, 1 fatal. (-23) On July 24, 2008, at 0915 central daylight time, an experimental [privacy data omitted], cozy mk iv, N500K, single-engine airplane, was destroyed when it…

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