# N555SG: 2020 Scott T Gaitros MAGNI M16 PLUS

- Status: Valid registration
- Airframe: [Scott T Gaitros MAGNI M16 PLUS](https://openairdocs.org/model/scott-t-gaitros-magni-m16-plus) (registry code 05639BY, 2 seats)
- Engine: [Rotax 915 IS series](https://openairdocs.org/engine/rotax-915-is-series) (registry code 55620)
- Data sheets: [TCDS E00051EN](https://openairdocs.org/tcds/E00051EN) (BRP-Rotax GmbH & Co KG) (OpenAirDocs)
- Serial number: 16202536
- Year built: 2020
- Type: Gyroplane
- Engine type: 4 cycle
- Kit: Magni USA LLC MAGNI M16 PLUS
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 19, 2020
- Certificate issued: May 8, 2020
- Expires: May 31, 2027
- Mode S code: A71395
- Registered owner: [Gaitros Scott T](https://openairdocs.org/faa-owner/GAITROS%20SCOTT%20T)
- Location: [Cerro Gordo, IL](https://openairdocs.org/faa-place/IL/Cerro%20Gordo)
- Owner type: Individual
- Owner's area on the map: 39.8867° N, 88.7165° W: Placed by OpenAirDocs at the center of ZIP code 61818, 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=555SG
- Page: https://openairdocs.org/aircraft/N555SG

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 915 IS model are included.

## ADs that may apply (OpenAirDocs): 2 in force

### Matched by airframe (Scott T Gaitros MAGNI M16 PLUS)

None in force.

### Matched by engine (Rotax 915 IS series)

- [AD 2026-04-02](https://openairdocs.org/ad/2026-04-02): Turbine Engine Reduction Gear · BRP-Rotax 915 iSc2 C24 and 915 iSc3 C24. Effective Mar 19, 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

### Historical (superseded or no longer in force)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 N555SG.

## FAA accident and incident reports

None matched to N555SG.

## 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) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Rotax 915 IS series)

- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists 915 iSc2 C24

## Earlier aircraft with N555SG

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N555SG before.

- [Cancelled 2014-09-16](https://openairdocs.org/deregistered/N555SG-2014-09-16): Lockheed 1329, S/N 5090, built 1966. Registration expired, pending cancellation. Owner: [United Ccm Corp](https://openairdocs.org/faa-owner/UNITED%20CCM%20CORP), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)

## Related

- Other Scott T Gaitros MAGNI M16 PLUS aircraft: https://openairdocs.org/model/scott-t-gaitros-magni-m16-plus/aircraft.md
- The Rotax 915 IS series engine: https://openairdocs.org/engine/rotax-915-is-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.