# N5225: 2025 Christopher Kroeker SLING TSI

- Status: Valid registration
- Airframe: [Christopher Kroeker SLING TSI](https://openairdocs.org/model/christopher-kroeker-sling-tsi) (registry code 0564243, 4 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: 292SK
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Airplane Factory Inc SLING TSI
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 15, 2025
- Certificate issued: June 4, 2025
- Expires: June 30, 2032
- Mode S code: A69363
- Registered owner: [Kroeker Christopher](https://openairdocs.org/faa-owner/KROEKER%20CHRISTOPHER)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Individual
- Owner's area on the map: 45.4546° N, 122.6990° W: Placed by OpenAirDocs at the center of ZIP code 97219, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5225
- Page: https://openairdocs.org/aircraft/N5225

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 (Christopher Kroeker SLING TSI)

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### Historical (superseded or no longer in force)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 N5225.

## FAA accident and incident reports

None matched to N5225.

## 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 N5225

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5225 before.

- [Cancelled 2013-04-02](https://openairdocs.org/deregistered/N5225-2013-04-02): Jaynes B-8-M, S/N 522, built 1969. Registration expired, pending cancellation. Owner: [Andrews Lester E](https://openairdocs.org/faa-owner/ANDREWS%20LESTER%20E), [La Junta, CO](https://openairdocs.org/faa-place/CO/La%20Junta)
- [Cancelled 1932-07-07](https://openairdocs.org/deregistered/N5225-1932-07-07): Travel Air 2000, S/N 465. Owner: [Bennett Victor N George Henness](https://openairdocs.org/faa-owner/BENNETT%20VICTOR%20N%20GEORGE%20HENNESS), [Binghamton, NY](https://openairdocs.org/faa-place/NY/Binghamton)

## Related

- Other Christopher Kroeker SLING TSI aircraft: https://openairdocs.org/model/christopher-kroeker-sling-tsi/aircraft.md
- The Rotax 915 series engine: https://openairdocs.org/engine/rotax-915-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.
