# N186RB: 2019 Bailey SQ-18

- Status: Valid registration
- Airframe: [Bailey SQ-18](https://openairdocs.org/model/bailey-sq-18) (registry code 05638G2, 2 seats)
- Engine: [Lycoming YIO-390 series](https://openairdocs.org/engine/lycoming-yio-390-series) (registry code 42418)
- Serial number: SQ18-02
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 6, 2019
- Certificate issued: March 15, 2019
- Expires: March 31, 2029
- Mode S code: A1586F
- Registered owner: [Bailey Aviation LLC](https://openairdocs.org/faa-owner/BAILEY%20AVIATION%20LLC)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: LLC
- Owner's area on the map: 61.1595° N, 149.8848° W: Placed by OpenAirDocs at the center of ZIP code 99518, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=186RB
- Page: https://openairdocs.org/aircraft/N186RB

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 (Bailey 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 N186RB.

## FAA accident and incident reports

None matched to N186RB.

## 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 Bailey SQ-18 aircraft: https://openairdocs.org/model/bailey-sq-18/aircraft.md
- The Lycoming YIO-390 series engine: https://openairdocs.org/engine/lycoming-yio-390-series.md

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