# N4985Z: 1964 Aerovodochody L-29 DELFIN

- Status: Valid registration
- Airframe: [Aerovodochody L-29 DELFIN](https://openairdocs.org/model/aerovodochody-l-29-delfin) (registry code 0564310, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 491165
- Year built: 1964
- Type: Fixed wing single engine
- Engine type: Turbo-jet
- Airworthiness: Experimental, exhibition
- Airworthiness date: October 15, 1997
- Certificate issued: July 7, 2021
- Expires: July 31, 2028
- Mode S code: A630EF
- Registered owner: [Mathison John M](https://openairdocs.org/faa-owner/MATHISON%20JOHN%20M)
- Location: [Fernley, NV](https://openairdocs.org/faa-place/NV/Fernley)
- Owner type: Individual
- Owner's area on the map: 39.6708° N, 119.0064° W: Placed by OpenAirDocs at the center of ZIP code 89408, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4985Z
- Page: https://openairdocs.org/aircraft/N4985Z

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 (Aerovodochody L-29 DELFIN)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4985Z.

## FAA accident and incident reports

None matched to N4985Z.

## 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 N4985Z

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4985Z before.

- [Cancelled 1992-12-15](https://openairdocs.org/deregistered/N4985Z-1992-12-15): Mckinney-Bruce VARIEZE, S/N 427. Triennial form not returned. Owner: [Gernert Frank E](https://openairdocs.org/faa-owner/GERNERT%20FRANK%20E), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas)
- [Cancelled 1962-09-14](https://openairdocs.org/deregistered/N4985Z-1962-09-14): Piper PA-18-150, S/N 18-7764. Exported to Cyprus. Owner: [Memphis Aero Corp](https://openairdocs.org/faa-owner/MEMPHIS%20AERO%20CORP), [Memphis, TN](https://openairdocs.org/faa-place/TN/Memphis)

## Related

- Other Aerovodochody L-29 DELFIN aircraft: https://openairdocs.org/model/aerovodochody-l-29-delfin/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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