# N4014A: 1979 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-003
- Year built: 1979
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: August 29, 1979
- Certificate issued: March 19, 1992
- Expires: April 30, 2030
- Mode S code: A4B33D
- Registered owners: [Mamuzich Robert J Sr](https://openairdocs.org/faa-owner/MAMUZICH%20ROBERT%20J%20SR), [Mamuzich Belia V](https://openairdocs.org/faa-owner/MAMUZICH%20BELIA%20V)
- Location: [Deming, NM](https://openairdocs.org/faa-place/NM/Deming)
- Owner type: Co-owned
- Owner's area on the map: 32.1734° N, 107.7274° W: Placed by OpenAirDocs at the center of ZIP code 88030, within about 29 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4014A
- Page: https://openairdocs.org/aircraft/N4014A

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### Historical (superseded or no longer in force)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 N4014A.

## FAA accident and incident reports

None matched to N4014A.

## 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 N4014A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4014A before.

- [Cancelled 1971-03-19](https://openairdocs.org/deregistered/N4014A-1971-03-19): Eastern Rotorcraft Z-9, S/N 1. Owner: [Eastern Rotorcraft Corp](https://openairdocs.org/faa-owner/EASTERN%20ROTORCRAFT%20CORP), [Doylestown, PA](https://openairdocs.org/faa-place/PA/Doylestown)

## 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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.