# N126M: 2021 BRM Aero S R O BRISTELL LSA

- Status: Valid registration
- Airframe: [BRM Aero S R O BRISTELL LSA](https://openairdocs.org/model/brm-aero-s-r-o-bristell-lsa) (registry code 06001BR, 2 seats)
- Engine: [Rotax 915 series](https://openairdocs.org/engine/rotax-915-series) (registry code 55619)
- Data sheets: [TCDS E00051EN](https://openairdocs.org/tcds/E00051EN) (BRP-Rotax GmbH & Co KG) (OpenAirDocs)
- Serial number: 575/2021
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, operating light-sport, previously under 21.190
- Airworthiness date: November 10, 2021
- Certificate issued: January 12, 2026
- Expires: January 31, 2033
- Mode S code: A06B0F
- Registered owner: [Mack Donald](https://openairdocs.org/faa-owner/MACK%20DONALD)
- Location: [Sandusky, OH](https://openairdocs.org/faa-place/OH/Sandusky)
- Owner type: Individual
- Owner's area on the map: 41.4195° N, 82.7132° W: Placed by OpenAirDocs at the center of ZIP code 44870, 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=126M
- Page: https://openairdocs.org/aircraft/N126M

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 model are included.

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

### Matched by airframe (BRM Aero S R O BRISTELL LSA)

None in force.

### Matched by engine (Rotax 915 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### Historical (superseded or no longer in force)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 N126M.

## FAA accident and incident reports

None matched to N126M.

## Reports on N126M not matched to an aircraft (1)

They name N126M, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20110501006309I](https://openairdocs.org/incident/20110501006309I), May 1, 2011: Rockwell International Corp 695 (N126M), Lincoln, NE, Minor damage. At cruise altitude, pilot reported smoke smell in the cockpit and declared an emergency. Aircraft was diverted to Lincoln, Nebraska. Upon landing, smoke began…

## 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 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 N126M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N126M before.

- [Cancelled 1991-04-23](https://openairdocs.org/deregistered/N126M-1991-04-23): Beech D18S, S/N A841. Triennial form not returned. Owner: [Linnan Thomas M](https://openairdocs.org/faa-owner/LINNAN%20THOMAS%20M), [Brookfield, WI](https://openairdocs.org/faa-place/WI/Brookfield)
- [Cancelled 1935-06-25](https://openairdocs.org/deregistered/N126M-1935-06-25): Fokker SUPER UNIVERSAL, S/N 865. Owner: [Atwater G J](https://openairdocs.org/faa-owner/ATWATER%20G%20J), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix)

## Related

- Other BRM Aero S R O BRISTELL LSA aircraft: https://openairdocs.org/model/brm-aero-s-r-o-bristell-lsa/aircraft.md
- The Rotax 915 series engine: https://openairdocs.org/engine/rotax-915-series.md

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