# N556AM: 2025 Alan Hoekstra SLING TSI

- Status: Valid registration
- Airframe: [Alan Hoekstra SLING TSI](https://openairdocs.org/model/alan-hoekstra-sling-tsi) (registry code 056423J, 4 seats)
- Engine: [Rotax 916 IS series](https://openairdocs.org/engine/rotax-916-is-series) (registry code 55622)
- Data sheets: [TCDS E00051EN](https://openairdocs.org/tcds/E00051EN) (BRP-Rotax GmbH & Co KG) (OpenAirDocs)
- Serial number: 553SK
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sling Aircraft (Pty) Ltd SLING TSI
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 25, 2025
- Certificate issued: October 2, 2026
- Expires: October 31, 2033
- Mode S code: A715C1
- Registered owner: [Hoekstra Alan J](https://openairdocs.org/faa-owner/HOEKSTRA%20ALAN%20J)
- Location: [Mission Viejo, CA](https://openairdocs.org/faa-place/CA/Mission%20Viejo)
- Owner type: Individual
- Owner's area on the map: 33.6119° N, 117.6659° W: Placed by OpenAirDocs at the center of ZIP code 92691, 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=556AM
- Page: https://openairdocs.org/aircraft/N556AM

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 916 IS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Alan Hoekstra SLING TSI)

None in force.

### Matched by engine (Rotax 916 IS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N556AM.

## FAA accident and incident reports

None matched to N556AM.

## 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 N556AM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N556AM before.

- [Cancelled 2022-10-06](https://openairdocs.org/deregistered/N556AM-2022-10-06): Eurocopter AS 350 B2, S/N 4369, built 2007. Exported to New Zealand. Owner: [Air Methods Corp](https://openairdocs.org/faa-owner/AIR%20METHODS%20CORP), [Greenwood Village, CO](https://openairdocs.org/faa-place/CO/Greenwood%20Village)

## Related

- Other Alan Hoekstra SLING TSI aircraft: https://openairdocs.org/model/alan-hoekstra-sling-tsi/aircraft.md
- The Rotax 916 IS series engine: https://openairdocs.org/engine/rotax-916-is-series.md

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