# N997BS: 2017 N997bs SQ-18

- Status: Valid registration
- Airframe: [N997bs SQ-18](https://openairdocs.org/model/n997bs-sq-18) (registry code 056355Y, 2 seats)
- Engine: [Lycoming YIO-390 series](https://openairdocs.org/engine/lycoming-yio-390-series) (registry code 42418)
- Serial number: SQ18-01
- Year built: 2017
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 24, 2017
- Certificate issued: April 4, 2017
- Expires: April 30, 2030
- Mode S code: ADECCE
- Registered owner: [N997bs LLC](https://openairdocs.org/faa-owner/N997BS%20LLC)
- Location: [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla)
- Owner type: LLC
- Owner's area on the map: 61.6051° N, 149.4227° W: Placed by OpenAirDocs at the center of ZIP code 99654, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=997BS
- Page: https://openairdocs.org/aircraft/N997BS

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 Lycoming YIO-390 model are included.

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

### Matched by airframe (N997bs SQ-18)

None in force.

### Matched by engine (Lycoming YIO-390 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N997BS.

## FAA accident and incident reports

None matched to N997BS.

## 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.

## Related

- Other N997bs SQ-18 aircraft: https://openairdocs.org/model/n997bs-sq-18/aircraft.md
- The Lycoming YIO-390 series engine: https://openairdocs.org/engine/lycoming-yio-390-series.md

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