# N121DV: 1957 Soko Factory Yogoslavia TYPE 522

- Status: Valid registration
- Airframe: [Soko Factory Yogoslavia TYPE 522](https://openairdocs.org/model/soko-factory-yogoslavia-type-522) (registry code 05612WR, 2 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 21
- Year built: 1957
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: April 24, 1989
- Certificate issued: November 13, 2021
- Expires: November 30, 2028
- Mode S code: A057C8
- Registered owner: [Lauff Samuel Jr](https://openairdocs.org/faa-owner/LAUFF%20SAMUEL%20JR)
- Location: [Ocala, FL](https://openairdocs.org/faa-place/FL/Ocala)
- Owner type: Individual
- Owner's area on the map: 29.1095° N, 81.9974° W: Placed by OpenAirDocs at the center of ZIP code 34472, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121DV
- Page: https://openairdocs.org/aircraft/N121DV

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. The registry lists only the engine series, so ADs for every Pratt & Whitney R1340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Soko Factory Yogoslavia TYPE 522)

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N121DV.

## 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.

- [Incident 20020219003409I](https://openairdocs.org/incident/20020219003409I), Feb 19, 2002: Amtr SOKO522 (N121DV), Temple, TX, Minor damage. (-23) The pilot reported that during back-taxi on the runway for takeoff, with a quartering tailwind, the brake locked when applied. The aircraft turned left…

## 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 Soko Factory Yogoslavia TYPE 522 aircraft: https://openairdocs.org/model/soko-factory-yogoslavia-type-522/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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