# N4581W: Rockwell International 112TC, registration cancelled 1994-07-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 7, 1994
- Status when cancelled: Triennial form not returned
- Airframe: [Rockwell International 112TC](https://openairdocs.org/model/rockwell-international-112tc) (registry code 7630306)
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO) (OpenAirDocs)
- Serial number: 13071
- Type of aircraft: Fixed wing single engine
- Certificate issued: May 21, 1991
- Last registry action: May 18, 1994
- Mode S code: A59264
- Owners when cancelled: [Nielsen Kevin D](https://openairdocs.org/faa-owner/NIELSEN%20KEVIN%20D), [Dzubay Gregory C](https://openairdocs.org/faa-owner/DZUBAY%20GREGORY%20C)
- Location: [Glendale, AZ](https://openairdocs.org/faa-place/AZ/Glendale)
- Owner type: Partnership
- Owner's area on the map: 33.6604° N, 112.1850° W: Placed by OpenAirDocs at the center of ZIP code 85308, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4581W
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4581W
- Page: https://openairdocs.org/deregistered/N4581W-1994-07-07

From the FAA registry file of October 31, 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 Rockwell International 112TC: https://openairdocs.org/model/rockwell-international-112tc.md

## NTSB investigations (2)

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 LAX92LA327](https://openairdocs.org/ntsb/LAX92LA327), Jul 31, 1992: Rockwell 112TC (N4581W), Glendale, AZ, substantial damage. Probable cause: A LOSS OF ENGINE POWER DUE TO EXCESSIVE CARBON DEPOSITS ON THE NUMBER ONE CYLINDER EXHAUST VALVE, AND, THE PILOTS ATTEMPTED OPERATION OF THE AIRCRAFT WITH KNOWN MECHANICAL DEFICIENCIES.
- [NTSB DEN83LA209](https://openairdocs.org/ntsb/DEN83LA209), Sep 4, 1983: Rockwell 112TC (N4581W), Durango, CO, substantial damage

## 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 19920731028479A](https://openairdocs.org/incident/19920731028479A), Jul 31, 1992: Gulstm 112TC (N4581W), Glendale, AZ, Substantial damage. Observed to have rough engine on runup. Departed continued rough. Tried return. Crashed. Exhaust valve stuck open.
- [Accident 19830903067219A](https://openairdocs.org/incident/19830903067219A), Sep 3, 1983: Gulstm 112TC (N4581W), Durango, CO, Substantial damage. Aircraft touched down long during landing. Ran off end of runway into brush and trees. Density altitude was 8800 feet

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