# N12SX — SONEX LTD/MONNETT JOHN T JR SONEX
> **—** Fixed Wing Single-Engine · Reciprocating · Owner: EAA AVIATION FOUNDATION INC · OSHKOSH, WI
## Aircraft
- **N-Number:** N12SX
- **Serial Number:** 001
- **Manufacturer:** SONEX LTD/MONNETT JOHN T JR
- **Model:** SONEX
- **Year manufactured:** —
- **Type:** Fixed Wing Single-Engine
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A052FF`
## Owner
- **Name:** EAA AVIATION FOUNDATION INC
- **Type of registrant:** Corporation
- **Location:** OSHKOSH, WI 549033086, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2022-04-20
- **Last action:** 2023-07-28
- **Expiration:** 2029-04-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=12SX)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a052ff)
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