# N121WY: 2009 Murphy Kristopher R AVID MARK 4

- Status: Valid registration
- Airframe: [Murphy Kristopher R AVID MARK 4](https://openairdocs.org/model/murphy-kristopher-r-avid-mark-4) (registry code 05612RO, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 1593D
- Year built: 2009
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Avid Aircraft AVID MARK IV
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 22, 2010
- Certificate issued: September 4, 2018
- Expires: September 30, 2028
- Mode S code: A05974
- Registered owners: [Hyatt Gerald E](https://openairdocs.org/faa-owner/HYATT%20GERALD%20E), [Hyatt Peggy D](https://openairdocs.org/faa-owner/HYATT%20PEGGY%20D)
- Location: [Bar Nunn, WY](https://openairdocs.org/faa-place/WY/Bar%20Nunn)
- Owner type: Co-owned
- Owner's area on the map: 43.0653° N, 106.3418° W: Placed by OpenAirDocs at the center of ZIP code 82601, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121WY
- Page: https://openairdocs.org/aircraft/N121WY

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 (Murphy Kristopher R AVID MARK 4)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N121WY.

## NTSB investigations on N121WY not matched to an aircraft (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 LAX80FUA12](https://openairdocs.org/ntsb/LAX80FUA12), Jul 4, 1980: Piper PA32RT (N121WY), Santa Ana, CA, substantial damage

## FAA accident and incident reports

None matched to N121WY.

## Reports on N121WY not matched to an aircraft (4)

They name N121WY, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20101013050219I](https://openairdocs.org/incident/20101013050219I), Oct 13, 2010: Piper PA-32R-300 (N121WY), Myrtle Beach, SC, Minor damage. Pilot stated it was the second day of flying the aircraft after it was returned to service from an annual inspection and overhauling the engine and propeller.…
- [Incident 19900914039669I](https://openairdocs.org/incident/19900914039669I), Sep 14, 1990: Piper PA32R300 (N121WY), Oxford, MS, Minor damage. Landed with gear up. Pilot stated he had total electrical failure. Failed to release override.
- [Incident 19870831061619I](https://openairdocs.org/incident/19870831061619I), Aug 31, 1987: Piper PA32R300 (N121WY), Fresno, CA, Minor damage. Landed with a unsafe nose gear indication and the nose gear collapsed on the landing roll.
- [Accident 19800704024199A](https://openairdocs.org/incident/19800704024199A), Jul 4, 1980: Piper PA32300 (N121WY), Santa Ana, CA, Substantial damage. Engine lost oil pressure and siezed. Crashed landed in field. Engine had been overheated. Possible lean mixture.

## 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 Murphy Kristopher R AVID MARK 4 aircraft: https://openairdocs.org/model/murphy-kristopher-r-avid-mark-4/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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