# N520MM: Mittry Marc Oscar RV-4

- Status: Valid registration
- Airframe: [Mittry Marc Oscar RV-4](https://openairdocs.org/model/mittry-marc-oscar-rv-4) (registry code 056088B, 2 seats)
- Serial number: 1080
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: March 4, 1988
- Expires: October 31, 2029
- Mode S code: A68A0D
- Registered owner: [Mittry Marc Oscar](https://openairdocs.org/faa-owner/MITTRY%20MARC%20OSCAR)
- Location: [Murrieta, CA](https://openairdocs.org/faa-place/CA/Murrieta)
- Owner type: Individual
- Owner's area on the map: 33.5860° N, 117.1404° W: Placed by OpenAirDocs at the center of ZIP code 92563, 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=520MM
- Page: https://openairdocs.org/aircraft/N520MM

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 (Mittry Marc Oscar RV-4)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N520MM.

## FAA accident and incident reports

None matched to N520MM.

## 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 Mittry Marc Oscar RV-4 aircraft: https://openairdocs.org/model/mittry-marc-oscar-rv-4/aircraft.md

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