# N904AS: 2005 Worstell Richard L SR 3500 MOOSE

- Status: Valid registration
- Airframe: [Worstell Richard L SR 3500 MOOSE](https://openairdocs.org/model/worstell-richard-l-sr-3500-moose) (registry code 056190L, 4 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 204SR
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Murphy Aircraft Mfg Ltd SR3500
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 1, 2026
- Certificate issued: April 13, 2026
- Expires: April 30, 2033
- Mode S code: AC7E19
- Registered owner: [Smith Steven L](https://openairdocs.org/faa-owner/SMITH%20STEVEN%20L)
- Location: [Whitehall, MT](https://openairdocs.org/faa-place/MT/Whitehall)
- Owner type: Individual
- Owner's area on the map: 45.8452° N, 112.1659° W: Placed by OpenAirDocs at the center of ZIP code 59759, 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=904AS
- Page: https://openairdocs.org/aircraft/N904AS

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 (Worstell Richard L SR 3500 MOOSE)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N904AS.

## FAA accident and incident reports

None matched to N904AS.

## 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 N904AS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N904AS before.

- [Cancelled 2017-02-22](https://openairdocs.org/deregistered/N904AS-2017-02-22): Air & Space America 25, S/N 25-104, built 1995. Registration expired, pending cancellation. Owner: [Air And Space America Inc](https://openairdocs.org/faa-owner/AIR%20AND%20SPACE%20AMERICA%20INC), [Paducah, KY](https://openairdocs.org/faa-place/KY/Paducah)

## Related

- Other Worstell Richard L SR 3500 MOOSE aircraft: https://openairdocs.org/model/worstell-richard-l-sr-3500-moose/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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