# N121FR: 2023 Evektor-Aerotechnik A S HARMONY LSA

- Status: Valid registration
- Airframe: [Evektor-Aerotechnik A S HARMONY LSA](https://openairdocs.org/model/evektor-aerotechnik-a-s-harmony-lsa) (registry code 0600080, 2 seats)
- Engine: [Rotax 912 IS series](https://openairdocs.org/engine/rotax-912-is-series) (registry code 55593)
- Data sheets: [TCDS E00051EN](https://openairdocs.org/tcds/E00051EN) (BRP-Rotax GmbH & Co KG) (OpenAirDocs)
- Serial number: 2023 2232
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Light sport, airplane
- Airworthiness date: May 10, 2024
- Certificate issued: May 2, 2024
- Expires: May 31, 2031
- Mode S code: A057F6
- Registered owner: [Wisconsin Fox River Flyers Inc](https://openairdocs.org/faa-owner/WISCONSIN%20FOX%20RIVER%20FLYERS%20INC)
- Location: [Milwaukee, WI](https://openairdocs.org/faa-place/WI/Milwaukee)
- Owner type: Corporation
- Owner's area on the map: 43.0186° N, 87.9261° W: Placed by OpenAirDocs at the center of ZIP code 53204, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121FR
- Page: https://openairdocs.org/aircraft/N121FR

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 Rotax 912 IS model are included.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Evektor-Aerotechnik A S HARMONY LSA)

None in force.

### Matched by engine (Rotax 912 IS series)

- [AD 2026-16-11](https://openairdocs.org/ad/2026-16-11): Reciprocating Engine Front Section · BRP-Rotax 912 F2, 912 F3, 912 F4 and 16 more. Effective Aug 28, 2026
- [AD 2025-15-03](https://openairdocs.org/ad/2025-15-03): Reciprocating Engine Oil System · BRP-Rotax 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24 and 1 more. Effective Aug 6, 2025
- [AD 2023-17-13](https://openairdocs.org/ad/2023-17-13): Reciprocating Engine Front Section · BRP-Rotax 912 F2, 912 F3, 912 F4 and 16 more. Effective Sep 20, 2023

### Historical (superseded or no longer in force)

- [AD 2025-07-02](https://openairdocs.org/ad/2025-07-02) (historical): Reciprocating Engine Oil System · BRP-Rotax 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24 and 1 more. Effective Apr 21, 2025

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N121FR.

## FAA accident and incident reports

None matched to N121FR.

## 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 N121FR

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N121FR before.

- [Cancelled 2010-10-26](https://openairdocs.org/deregistered/N121FR-2010-10-26): Cirrus Design SR22T, S/N 0038. Exported to France. Owner: [Cirrus Design Corp](https://openairdocs.org/faa-owner/CIRRUS%20DESIGN%20CORP), [Duluth, MN](https://openairdocs.org/faa-place/MN/Duluth)

## Related

- Other Evektor-Aerotechnik A S HARMONY LSA aircraft: https://openairdocs.org/model/evektor-aerotechnik-a-s-harmony-lsa/aircraft.md
- The Rotax 912 IS series engine: https://openairdocs.org/engine/rotax-912-is-series.md

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