# N639W: 2019 Wild Sky GOAT

- Status: Valid registration
- Airframe: [Wild Sky GOAT](https://openairdocs.org/model/wild-sky-goat) (registry code 06001AH, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 1721
- Year built: 2019
- Type: Weight-shift-control
- Engine type: 4 cycle
- Airworthiness: Experimental, operating light-sport kit-built
- Airworthiness date: April 27, 2019
- Certificate issued: July 15, 2019
- Expires: July 31, 2029
- Mode S code: A8611F
- Registered owner: [Niner Whiskey LLC](https://openairdocs.org/faa-owner/NINER%20WHISKEY%20LLC)
- Location: [Clark Fork, ID](https://openairdocs.org/faa-place/ID/Clark%20Fork)
- Owner type: LLC
- Owner's area on the map: 48.1105° N, 116.1590° W: Placed by OpenAirDocs at the center of ZIP code 83811, 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=639W
- Page: https://openairdocs.org/aircraft/N639W

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 912ULS model are included.

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

### Matched by airframe (Wild Sky GOAT)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N639W.

## FAA accident and incident reports

None matched to N639W.

## 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 N639W

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N639W before.

- [Cancelled 1941-11-27](https://openairdocs.org/deregistered/N639W-1941-11-27): Eaglerock A-3, S/N 973. Owner: [Utah Pacific Airways Inc](https://openairdocs.org/faa-owner/UTAH%20PACIFIC%20AIRWAYS%20INC), [Ogden, UT](https://openairdocs.org/faa-place/UT/Ogden)

## Related

- Other Wild Sky GOAT aircraft: https://openairdocs.org/model/wild-sky-goat/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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