# N217WM: 2021 217whiskeymike SQ12

- Status: Valid registration
- Airframe: [217whiskeymike SQ12](https://openairdocs.org/model/217whiskeymike-sq12) (registry code 05640F0, 2 seats)
- Engine: [Lycoming YIO-390 series](https://openairdocs.org/engine/lycoming-yio-390-series) (registry code 42418)
- Serial number: SQ12-0012
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 29, 2021
- Certificate issued: June 19, 2023
- Expires: June 30, 2030
- Mode S code: A1D583
- Registered owner: [Backcountry Adventures LLC](https://openairdocs.org/faa-owner/BACKCOUNTRY%20ADVENTURES%20LLC)
- Location: [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla)
- Owner type: LLC
- Owner's area on the map: 61.5785° N, 149.4763° W: Placed by OpenAirDocs: center of Wasilla, AK, 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=217WM
- Page: https://openairdocs.org/aircraft/N217WM

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 (217whiskeymike SQ12)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC25LA111](https://openairdocs.org/ntsb/ANC25LA111), Sep 20, 2025: 217whiskeymike SQ12 (N217WM), McGrath, AK, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a hole in the tundra, which resulted in impact with terrain.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20250920015009A](https://openairdocs.org/incident/20250920015009A), Sep 20, 2025: 217whiskeymike LLC SQ12 (N217WM), Big River, AK, Substantial damage. Pilot was involved in a hunting trip for a moose. Pilot landed in a clearing, Off Airport, to pick up the moose and decided during the landing roll out to…

## 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 N217WM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N217WM before.

- [Cancelled 2010-02-17](https://openairdocs.org/deregistered/N217WM-2010-02-17): Gates Learjet 25D, S/N 217, built 1976. Exported to Venezuela. Owner: [Lear 25-217 Partners Inc](https://openairdocs.org/faa-owner/LEAR%2025-217%20PARTNERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

## Related

- Other 217whiskeymike SQ12 aircraft: https://openairdocs.org/model/217whiskeymike-sq12/aircraft.md
- The Lycoming YIO-390 series engine: https://openairdocs.org/engine/lycoming-yio-390-series.md

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