# N5249L: 2024 William F Brockett SLING TSI

- Status: Valid registration
- Airframe: [William F Brockett SLING TSI](https://openairdocs.org/model/william-f-brockett-sling-tsi) (registry code 05642UK, 4 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: 493SK
- Year built: 2024
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sling Aircraft (Pty) Ltd SLING TSI
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 28, 2025
- Certificate issued: November 20, 2025
- Expires: November 30, 2032
- Mode S code: A69B68
- Registered owner: [Brockett William F](https://openairdocs.org/faa-owner/BROCKETT%20WILLIAM%20F)
- Location: [Palmdale, CA](https://openairdocs.org/faa-place/CA/Palmdale)
- Owner type: Individual
- Owner's area on the map: 34.5896° N, 118.2274° W: Placed by OpenAirDocs at the center of ZIP code 93551, 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=5249L
- Page: https://openairdocs.org/aircraft/N5249L

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 (William F Brockett SLING TSI)

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### Historical (superseded or no longer in force)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 N5249L.

## FAA accident and incident reports

None matched to N5249L.

## 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 N5249L

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5249L before.

- [Cancelled 2010-01-25](https://openairdocs.org/deregistered/N5249L-2010-01-25): Cessna 172S, S/N 172S10944. Exported to Chile. Owner: [Weaver Aero International Inc](https://openairdocs.org/faa-owner/WEAVER%20AERO%20INTERNATIONAL%20INC), [Moundridge, KS](https://openairdocs.org/faa-place/KS/Moundridge)
- [Cancelled 1999-08-17](https://openairdocs.org/deregistered/N5249L-1999-08-17): Piper PA-28-180, S/N 28-4544. Exported to Canada. Owner: [Westjet Air Center Inc](https://openairdocs.org/faa-owner/WESTJET%20AIR%20CENTER%20INC), [Rapid City, SD](https://openairdocs.org/faa-place/SD/Rapid%20City)

## Related

- Other William F Brockett SLING TSI aircraft: https://openairdocs.org/model/william-f-brockett-sling-tsi/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.