# N4012G: Ayres S2R-R3S

- Status: Valid registration
- Airframe: [Ayres S2R-R3S](https://openairdocs.org/model/ayres-s2r-r3s) (registry code 0970202, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: R3S-001
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, showing compliance, research and development
- Airworthiness date: August 1, 1979
- Certificate issued: June 1, 2021
- Expires: June 30, 2028
- Mode S code: A4B2FD
- Registered owner: [Morris Equipment LLC](https://openairdocs.org/faa-owner/MORRIS%20EQUIPMENT%20LLC)
- Location: [Yuma, AZ](https://openairdocs.org/faa-place/AZ/Yuma)
- Owner type: LLC
- Owner's area on the map: 32.7046° N, 114.6563° W: Placed by OpenAirDocs at the center of ZIP code 85364, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4012G
- Page: https://openairdocs.org/aircraft/N4012G

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 (Ayres S2R-R3S)

None in force.

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

None in force.

### Historical (superseded or no longer in force)

- [AD 97-17-03](https://openairdocs.org/ad/97-17-03) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600 S-2D, S-2R, S2R-G1 and 12 more. Effective Sep 5, 1997
- [AD 97-13-11](https://openairdocs.org/ad/97-13-11) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600-S-2C, S-2R, S2R-G1 and 12 more. Effective Jul 23, 1997

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4012G.

## NTSB investigations on N4012G 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 NYC72FNA10](https://openairdocs.org/ntsb/NYC72FNA10), Sep 2, 1971: Bell 47G-4A (N4012G), Norwood, MA, substantial damage

## 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.

- [Incident 19890801047379I](https://openairdocs.org/incident/19890801047379I), Aug 1, 1989: Ayres S2RR3SRESTD (N4012G), Monroe, MI. Complaints received about aircraft flying low over homes during aerial spraying. Pilot and company identified.

## 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 N4012G

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4012G before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4012G-undated): Bell 47G-4A, S/N 7641. Owner: [E W Wiggins Airways Inc](https://openairdocs.org/faa-owner/E%20W%20WIGGINS%20AIRWAYS%20INC), [Norwood, MA](https://openairdocs.org/faa-place/MA/Norwood)

## Related

- Other Ayres S2R-R3S aircraft: https://openairdocs.org/model/ayres-s2r-r3s/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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