# N831EF: 1983 Aero Vodochody L39C

- Status: Valid registration
- Airframe: [Aero Vodochody L39C](https://openairdocs.org/model/aero-vodochody-l39c) (registry code 05620RN, 1 seats)
- Engine: [Ivchenko AI-25TL](https://openairdocs.org/engine/ivchenko-ai-25tl) (registry code 34703)
- Serial number: 332509
- Year built: 1983
- Type: Fixed wing single engine
- Engine type: Turbo-fan
- Airworthiness: Experimental, exhibition
- Airworthiness date: September 10, 2003
- Certificate issued: February 7, 2003
- Expires: August 31, 2029
- Mode S code: AB5C7B
- Registered owner: [Zeus Flight LLC](https://openairdocs.org/faa-owner/ZEUS%20FLIGHT%20LLC)
- Location: [Ketchum, ID](https://openairdocs.org/faa-place/ID/Ketchum)
- Owner type: LLC
- Owner's area on the map: 43.7362° N, 114.5818° W: Placed by OpenAirDocs at the center of ZIP code 83340, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=831EF
- Page: https://openairdocs.org/aircraft/N831EF

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 (Aero Vodochody L39C)

None in force.

### Matched by engine (Ivchenko AI-25TL)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N831EF.

## FAA accident and incident reports

None matched to N831EF.

## 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 Aero Vodochody L39C aircraft: https://openairdocs.org/model/aero-vodochody-l39c/aircraft.md
- The Ivchenko AI-25TL engine: https://openairdocs.org/engine/ivchenko-ai-25tl.md

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