# N985GC: Grice Hillery W ALLEY CAT 1

- Status: Valid registration
- Airframe: [Grice Hillery W ALLEY CAT 1](https://openairdocs.org/model/grice-hillery-w-alley-cat-1) (registry code 05611KG, 2 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: AC007
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 2, 2001
- Certificate issued: March 13, 2024
- Expires: March 31, 2031
- Mode S code: ADBE50
- Registered owner: [Omega 1 Corp](https://openairdocs.org/faa-owner/OMEGA%201%20CORP)
- Location: [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown)
- Owner type: Corporation
- Owner's area on the map: 39.4944° N, 75.6775° W: Placed by OpenAirDocs at the center of ZIP code 19709, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=985GC
- Page: https://openairdocs.org/aircraft/N985GC

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 Pratt & Whitney R-985 model are included.

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

### Matched by airframe (Grice Hillery W ALLEY CAT 1)

None in force.

### Matched by engine (Pratt & Whitney R-985 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 MIA07CA100](https://openairdocs.org/ntsb/MIA07CA100), May 19, 2007: Hillery W. Grice Alley Cat 1 (N985GC), Fairhope, AL, substantial damage. Probable cause: The failure of the pilot-in-command to maintain terrain clearance while completing a loop at an airshow, resulting in impact with the runway.

## 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 20070519019379A](https://openairdocs.org/incident/20070519019379A), May 19, 2007: Amtr ALLEYCAT1 (N985GC), Fairhope, AL, Substantial damage. (-23) During aerobatics maneuvers the pilot was attempting a loop and failed to achieve the required height above the ground which resulted in a hard impact…

## 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 Grice Hillery W ALLEY CAT 1 aircraft: https://openairdocs.org/model/grice-hillery-w-alley-cat-1/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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