# N57GS: 1988 Mikoyan Gurevich MIG 21 UM

- Status: Valid registration
- Airframe: [Mikoyan Gurevich MIG 21 UM](https://openairdocs.org/model/mikoyan-gurevich-mig-21-um) (registry code 056037S, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 516999343
- Year built: 1988
- Type: Fixed wing single engine
- Engine type: Turbo-jet
- Airworthiness: Experimental, exhibition
- Airworthiness date: July 16, 2003
- Certificate issued: July 30, 2008
- Expires: October 31, 2027
- Mode S code: A74CB7
- Registered owner: [Premier Jets Inc](https://openairdocs.org/faa-owner/PREMIER%20JETS%20INC)
- Location: [Hillsboro, OR](https://openairdocs.org/faa-place/OR/Hillsboro)
- Owner type: Corporation
- Owner's area on the map: 45.4444° N, 122.9764° W: Placed by OpenAirDocs at the center of ZIP code 97123, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=57GS
- Page: https://openairdocs.org/aircraft/N57GS

From the FAA registry file of October 22, 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 (Mikoyan Gurevich MIG 21 UM)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N57GS.

## FAA accident and incident reports

None matched to N57GS.

## 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 Mikoyan Gurevich MIG 21 UM aircraft: https://openairdocs.org/model/mikoyan-gurevich-mig-21-um/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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