# N473AS: 2025 Simpson Arthur MONNETT SONERAI IILT

- Status: Valid registration
- Airframe: [Simpson Arthur MONNETT SONERAI IILT](https://openairdocs.org/model/simpson-arthur-monnett-sonerai-iilt) (registry code 05642CJ, 1 seats)
- Engine: [Revmaster 2100D](https://openairdocs.org/engine/revmaster-2100d) (registry code 52552)
- Serial number: 080706-0831
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 22, 2025
- Certificate issued: February 23, 2024
- Expires: February 28, 2031
- Mode S code: A5CC50
- Registered owner: [Simpson Arthur](https://openairdocs.org/faa-owner/SIMPSON%20ARTHUR)
- Location: [Richland Center, WI](https://openairdocs.org/faa-place/WI/Richland%20Center)
- Owner type: Individual
- Owner's area on the map: 43.3767° N, 90.4195° W: Placed by OpenAirDocs at the center of ZIP code 53581, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=473AS
- Page: https://openairdocs.org/aircraft/N473AS

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 (Simpson Arthur MONNETT SONERAI IILT)

None in force.

### Matched by engine (Revmaster 2100D)

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 CEN27LA009](https://openairdocs.org/ntsb/CEN27LA009), Oct 12, 2026: Simpson Arthur Monnett Sonerai Iilt (N473AS), Sextonville, WI, investigation ongoing

## FAA accident and incident reports

None matched to N473AS.

## 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 N473AS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N473AS before.

- [Cancelled 2012-04-26](https://openairdocs.org/deregistered/N473AS-2012-04-26): Boeing 747-400, S/N 24777. Owner: [Aersale Inc](https://openairdocs.org/faa-owner/AERSALE%20INC), [Coral Gables, FL](https://openairdocs.org/faa-place/FL/Coral%20Gables)
- [Cancelled 2008-03-18](https://openairdocs.org/deregistered/N473AS-2008-03-18): Airbus Industrie A300 B4-203, S/N 203, built 1983. Exported to United Arab Emirates. Owner: [Dmcmag III LLC](https://openairdocs.org/faa-owner/DMCMAG%20III%20LLC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami)

## Related

- Other Simpson Arthur MONNETT SONERAI IILT aircraft: https://openairdocs.org/model/simpson-arthur-monnett-sonerai-iilt/aircraft.md
- The Revmaster 2100D engine: https://openairdocs.org/engine/revmaster-2100d.md

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