# N55EF: 2020 Alexander Schleicher ASH 31 MI

- Status: Valid registration
- Airframe: [Alexander Schleicher ASH 31 MI](https://openairdocs.org/model/alexander-schleicher-ash-31-mi) (registry code 3801549, 1 seats)
- Engine: [Austro IAE-50R-AA](https://openairdocs.org/engine/austro-iae-50r-aa) (registry code 06401)
- Serial number: 31205
- Year built: 2020
- Type: Glider
- Engine type: Rotary
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: October 1, 2020
- Certificate issued: October 25, 2021
- Expires: October 31, 2028
- Mode S code: A6FD7C
- Registered owner: [Peterson Mark D](https://openairdocs.org/faa-owner/PETERSON%20MARK%20D)
- Location: [Locust Grove, GA](https://openairdocs.org/faa-place/GA/Locust%20Grove)
- Owner type: Individual
- Owner's area on the map: 33.3505° N, 84.1091° W: Placed by OpenAirDocs at the center of ZIP code 30248, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55EF
- Page: https://openairdocs.org/aircraft/N55EF

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 (Alexander Schleicher ASH 31 MI)

None in force.

### Matched by engine (Austro IAE-50R-AA)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N55EF.

## FAA accident and incident reports

None matched to N55EF.

## 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 N55EF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N55EF before.

- [Cancelled 2013-04-18](https://openairdocs.org/deregistered/N55EF-2013-04-18): Thompson-Earle RUTAN VARI-EZE, S/N 1034, built 195. Registration expired, pending cancellation. Owner: [Thompson Earle](https://openairdocs.org/faa-owner/THOMPSON%20EARLE), [East Brewton, AL](https://openairdocs.org/faa-place/AL/East%20Brewton)

## Related

- Other Alexander Schleicher ASH 31 MI aircraft: https://openairdocs.org/model/alexander-schleicher-ash-31-mi/aircraft.md
- The Austro IAE-50R-AA engine: https://openairdocs.org/engine/austro-iae-50r-aa.md

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