# N928EC: 2012 Edward Castonguay PA-18 SUPER CUB

- Status: Valid registration
- Airframe: [Edward Castonguay PA-18 SUPER CUB](https://openairdocs.org/model/edward-castonguay-pa-18-super-cub) (registry code 05631VM, 2 seats)
- Engine: [Mattituck TMX O-360](https://openairdocs.org/engine/mattituck-tmx-o-360) (registry code 59610)
- Serial number: 06-121
- Year built: 2012
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 20, 2026
- Certificate issued: April 1, 2022
- Expires: April 30, 2029
- Mode S code: ACDC49
- Registered owners: [Austermiller Daryl L](https://openairdocs.org/faa-owner/AUSTERMILLER%20DARYL%20L), [Austermiller Karen E](https://openairdocs.org/faa-owner/AUSTERMILLER%20KAREN%20E)
- Location: [Prescott, AZ](https://openairdocs.org/faa-place/AZ/Prescott)
- Owner type: Co-owned
- Owner's area on the map: 34.7698° N, 112.7570° W: Placed by OpenAirDocs at the center of ZIP code 86305, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=928EC
- Page: https://openairdocs.org/aircraft/N928EC

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.

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

### Matched by airframe (Edward Castonguay PA-18 SUPER CUB)

None in force.

### Matched by engine (Mattituck TMX O-360)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N928EC.

## FAA accident and incident reports

None matched to N928EC.

## 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 Edward Castonguay PA-18 SUPER CUB aircraft: https://openairdocs.org/model/edward-castonguay-pa-18-super-cub/aircraft.md
- The Mattituck TMX O-360 engine: https://openairdocs.org/engine/mattituck-tmx-o-360.md

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